
PUBLICATIONS
Dr. J. Ralph Lichtenfels
1. Lichtenfels, J.R. A survey of the intestinal nematodes of some Maryland rodents with a host-parasite catalog. Univ. Maryland. 66 pp. 1966. (Thesis)
2. Lichtenfels, J.R. Strain differences in the rate nematode, Nippostrongylus brasiliensis (Travassos, 1914). Univ. Maryland. 131 pp. 1968. (Dissertation)
3. Lichtenfels, J.R. and Haley, A.J. New host records of intestinal nematodes of Maryland rodents and suppression of Capillaira bonnevillei Grundmann and Frandsen, 1960 as a synonym of C. americana Read, 1949. Proc. Helminthol. Soc. Wash. 35:206-211. 1968.
4. Lichtenfels, J.R. and Quigley, D. Pseudabbreviata nudamphida gen. et. sp. n. (Nematoda: Physalopteridae) from an African "lizard." J. Parasitol. 54:1092-1094. 1968.
5. Lichtenfels, J.R. Two new species of Pterygodermatites (Paucipectines) Quentin, 1969 (Nematoda: Rictulariidae) with a key to the species from North American rodents. Proc. Helminthol. Soc. Wash. 37:94-101. 1970.
6. Lichtenfels, J.R. Morphological variation in the gullet nematode, Gongylonema pulchrum Molin, 1857, from eight species of definitive hosts with a consideration of Congylonema from Macaca spp. J. Parasitol. 57:348-355. 1971.
7. Lichtenfels, J. R. Changes in the phenotype of the rat nematode, Nippostrongylus brasiliensis, after one and 150 nematode generations in hamsters. J. Parasitol. 57:517-525. 1971.
8. Lichtenfels, J. R. Citellinema grisei sp. n. (Nematoda: Trichostrongylidae) from the Western gray squirrel, Sciurus griseus. Proc. Helminthol. Soc. Wash. 38:257-261. 1971.
9. Lichtenfels, J. R. and Tromba, F. G. The morphogenesis of Stephanurus dentatus (Nematoda: Strongylina) in swine with observations on larval migration. J. Parasitol. 58:757-766. 1972.
10. Chitwood, M. B. and Lichtenfels, J. R. Identification of parasitic Metazoa in tissue sections. Exper. Parasitol. 32:407-519. 1972.
11. Lichtenfels, J. R. Number and distribution of ridges in the cuticle of Nippostrongylus brasiliensis (Travassos, 1914) (Nematoda: Heligmosomatoidea). J. Parasitol. 60:285-288. 1974.
12. Lichtenfels, J. R. Larval nematode, Contracaecum sp. in the hydromedusa, Polyorchis penicillatus (Eschscholtz). Proc. Helminthol. Soc. Wash. 41:115. 1974.
13. Lichtenfels, J. R. The systematic value of cuticular ridges of some trichostrongylin nematodes. Proc. Third Internat'l Cong. Parasitol. Munich. 1:471-472. 1974. (Conference Proceedings).
14. Abram, J. B. and Lichtenfels, J. R. Larval Eustrongylides sp. (Nematoda: Dioctophymatoidea) from otter, Lutra canadensis in Maryland. Proc. Helminthol. Soc. Wash. 41:253. 1974.
15. Hoffman, G. L., Anastos, G., Kates, K. C., Lichtenfels, J. R., Margolis, L. and Powers, K. G. Parasitology translations reported during 1971 and 1972. J. Parasitol. 61:162-174. 1975. (Catalogue)
16. Daengsvang, S., Tingpalopong, M. and Lichtenfels, J. R. A record of Tetragomphius arctonycis Jansen, 1968 (Nematoda: Ancylostomatidae) from the hog-badger Arctonyx collaris, of Trang Province, Southern Thailand. The Southeast Asian J. Trop. Med. & Pub. Health. 6:287-289. 1975.
17. Lichtenfels, J. R. Helminths of domestic equids: Illustrated keys to genera and species with emphasis on North American forms. Proc. Helminthol. Soc. Wash. 42 (Special Issue); 1-92. 1975.
18. Long, G. G., Lichtenfels, J. R. and Stookey, J. L. Anatrichosoma cynamolgi (Nematoda: Trichinellida) in rhesus monkeys, Macaca mulatta. J. Parasitol. 62:111-115. 1976.
19. Healy, G. R., Jackson, G. J., Lichtenfels, J. R., Hoffman, G. L. and Cheng, T. C. Foodborne Parasites. APHA Compendium on Microbiological Methods for Parasites in Foods. Amer. Pub. Health Assn., Inc., Wash., D.C. 701 pp. 1976. (Book Chapter).
20. Lichtenfels, J. R. and Lavies, B. Mortality in red-sided garter snakes, Thamnophis sirtalis parietalis, due to larval Eustrongylides sp. (Nematoda: Dioctophymatida). Lab. An. Sci. 26:465-467. 1976.
21. Lichtenfels, J. R. and Brancato, F. P. Anisakid larva from the throat of an Alaskan Eskimo. Am. J. Trop. Med. & Hyg. 25:691-693. 1976.
22. Hoffman, G. L., Lichtenfels, J. R., Margolis, L. and Powers, K. G. Parasitology translations reported 1973-1975. J. Parasitol. 63:183-192 and 398-400. 1976.
23. Lichtenfels, J. R. U.S. National Parasite Collection. IN Systematic Collections of the Agricultural Research Service. Misc. Pub. No. 1343, p. 3-6. 1977.
24. Lichtenfels, J. R. Differences in cuticular ridges among Cooperia spp. of North American ruminants with an illustrated key to species. Proc. Helminthol. Soc. Wash. 44:111-119. 1977.
25. Lichtenfels, J. R. The organization of nematodes. N.A. Cross (Ed.) Academic Press. AAAS Science Books and Films, Vol. 13:209-210. 1978. (Book Review)
26. Lichtenfels, J. R., Bier, J. W. and Madden, P. A. Larval anisakid (Sulcascaris) nematodes from Atlantic mollusks with marine turtles as definitive hosts. Trans. Am. Micros. Soc. 97:197-207 1978.
27. Batra, L. R., Whitehead, D. R., Terrell, E. E., Golden, A. M. and Lichtenfels, J. R. Overview of predictiveness of agricultural biosystematics. In Beltsville Symposia in Agricultural Research 2, Biosystematics in Agriculture. John Wiley & Sons, Inc., New York, pp. 275-301. 1978. (Review Article)
28. Salley, E. J., Lichtenfels, J. R. and Shaw, J. H. Checklist of types in the U.S. National Parasite Collection. Index-Catalogue of Medical and Veterinary Zoology (USDA, SEA) Special Publication No. 4. 233 pp. 1978.
29. Lichtenfels, J. R. The world of worms. Holiday House, by D. Hinshaw Patent. AAAS Science Books and Films. Vol. 14:220. 1979.
30. Pilitt, P. A., Lichtenfels, J. R. and Madden, P. A. Differentiation of fourth and early fifth stages of Parascaris equorum (Goeze, 1782) Nematoda: Ascaridoidea. Proc. Helminthol. Soc. Wash. 46:15-20. 1979.
31. Lichtenfels, J. R. A conventional approach to a new classification of the Strongyloidea, nematode parasites of mammals. Am. Zool. 19:1185-1194. 1979.
32. Lichtenfels, J. R. Keys to genera of the superfamily Strongyloidea. CIH keys to the nematode parasites of vertebrates No. 7, 41 pp. Commonwealth Agricultural Bureaux, England, 1980.
33. Lichtenfels, J. R. and Madden, P. A. Cephalic papillae of giant kidney nematode Dioctophyma renale (Coeze, 1782) and comparison with Eustrongylides spp. Proc. Helminthol. Soc. Wash. 47:55-62. 1980.
34. Lichtenfels, J. R. Keys to genera of the superfamily Ancylostomatoidea. CIH keys to the nematode parasites of vertebrates No. 8, pp. 1-19. Commonwealth Agricultural Bureaux, England. 1980.
35. Lichtenfels, J. R. Keys to genera of the superfamily Diaphanocephaloidea. CIH keys to the nematode parasites of vertebrates No. 8, pp. 21-26. Commonwealth Agricultural Bureaux, England. 1980.
36. Lichtenfels, J. R. Guide to parasite collections of the world. Trop. Med. & Hyg. News, June 1980.
37. Lichtenfels, J. R., Sawyer, T. K. and Miller, G. C. New hosts for larval Sulcascaris sp. (Nematoda: Anisakidae) and prevalence in the calico scallop (Argopecten gibbus). Trans. Am. Micros. Soc. 99:448-451. 1980.
38. Frauenfelder, H. C., Kazacos, K. R. and Lichtenfels, J. R. Cerebrospinal nematodiasis caused by Setaria sp. in a horse. J. Am. Vet. Med. Assn. 177:359-362. 1980.
39. Lichtenfels, J. R., Bhatnagar, K. P., Whittaker, F. H. and Frahm, H. D. Filarioid nematodes in olfactory mucosa, olfactory bulb, and brain ventricular system of bats. Trans. Amer. Micros. Soc. 100:216-221. 1981.
40. Lichtenfels, J. R. Parasitological museums - what is where? In Review of Advances in Parasitology. W. Slusarski (Ed.) Polish Academy of Sciences, Warsaw, 110 pp./ISBN 83-01-01836-4. 1981. (Conference Proceedings)
41. Pilitt, P. A., Lichtenfels, J. R., Tromba, F. G. and Madden, P. A. Differentiation of late fourth and early fifth stages of Ascaris suum Goeze, 1782 (Nematoda: Ascaridoidea) in swine. Proc. Helminthol. Soc., Wash., D.C. 48:1-7. 1981.
42. Lichtenfels, J. R. and Stewart, T. B. Three new species of Chapiniella Yamaguti, 1961 (Nematoda: Strongyloidea) from tortoises. Proc. Helminthol. Soc., Wash. D.C., 48:137-147. 1981.
43. Lichtenfels, J. R. The U.S. National Parasite collection. In Resources of Biomedical and Zoological Specimens, G. Migaki (Ed.), Armed Forces Institute of Pathology, Wash., D.C., 54 pp. 1981. (Catalogue)
44. Lichtenfels, J. R. The parasites we humans harbor. Elsevier/Nelson, by A. E. Klein. AAAS Science Books & Films. Vol. 17:83-84. 1981. (Book Review)
45. Lichtenfels, J.R., Bergstrom, R. C. and Werner, B. A. Nematospiroides dubius of Bergstrom and Werner (1981): A misidentification for Citellinema bifurcatum Hall, 1916. Proc. Helminthol. Soc. Wash., D.C. 48:183. 1981.
46. Lichtenfels, J. R. and Pritchard, M. B. (Eds.). A guide to parasite collections of the world. Allen Press, Lawrence, KS, 79 pp. 1982.
47. Mayhew, I. G., Lichtenfels, J. R., Greiner, E. C., MacKay, R. J. and Enloe, E. W. Migration of a spiruroid through the brainstem of a horse. J. Am. Vet. Med. Assn. 180:1306-1311. 1982.
48. Gaunt, P. S., Confer, A. W., Carter, J. D., Truska, R. C., Neafie, R. C. and Lichtenfels, J. R. Intra ocular strongylidiasis in a dog. J. Am. An. Hosp. Assn. 18:120-122. 1982.
49. Lichtenfels, J. R. Synlophe and species determination of Trichostrongyloidea. In Stone, A. R. and Platt, H. M. (Eds.) Concepts in nematode systematics. Systematics Assn. Spec. Vol. No. 22. Academic Press, London, pp. 273-291. 1983.
50. Lichtenfels, J. R. and Pilitt, P. A. Cuticular ridge patterns of Nematodirella (Nematoda; Trichostrongyloidea) of North American ruminants, with a key to species. Syst. Parasitol. 5:271-285. 1983.
51. Rosa-Molinar, E., Williams, C. S. and Lichtenfels, J. R. Larval nematodes (Philometridae) in granulomas in ovaries of black-tip sharks, Carcharhinus limbatus (Valenciennes). J. Wildlife Dis. 19:275-277. 1983.
52. Lichtenfels, J. R. and Pilitt, P. A. Cuticular ridge patterns of Nematodirus spp. (Nematoda: Trichostrongyloidea) of North American Ruminants with a key to species. Proc. Helminthol. Soc. Wash., 50:261-274. 1983.
53. Healy, G. R., Jackson, G. J., Lichtenfels, J. R., Hoffman, G. L. and Chen, T. C. Foodborne parasites. In Speck, M. L. (Ed.). Compendium of Methods for the Microbiological Examination of Foods (Second Edition), pp. 542-556. 1983.
54. Sawyer, T. K., Rosenfield, A., Perkins, F. O., Zwerner, D. E., Dias, R. K., Lichtenfels, J. R., Madden, P. A., Jackson, G. J., Bier, J. W., Payne, W. L. and Miller, G. C. Identification of parasitic nematode larvae, Sulcascaris sulcata, in the calico scallop, Argopecten gibbus (Linn.) and the surf clam, Spisula solidissima. Proc. Special Meeting on Diseases of Commercially Important Marine Fish and Shellfish. Reapp. P.-v. Reun. Cons. Int. Explor. Mer. 182:140-143. 1983. (Review Article)
55. Lichtenfels, J. R., Murrell, K. D. and Pilitt, P. A. Comparison of three subspecies of Trichinella spiralis by scanning electron microscopy. J. Parasitol. 69:1131-1140. 1983.
56. Thurman, J. D., Johnson, B. J. and Lichtenfels, J. R. Dirofilariasis with arteriosclerosis in a horse. J. Am. Vet. Med. Assn. 185:532-533. 1984.
57. Lichtenfels, J. R. Methods for conserving, storing and studying helminths in the U.S. National Parasite collection. Systematic Parasitol. 6:250-251. 1984.
58. Lichtenfels, J. R. and Pilitt, P. A. A redescription of Schulzinema miroljubovi Krastin, 1937 (Nematoda: Strongyloidea). Systematic Parasitol. 6:269-274. 1984.
59. Lichtenfels, J. R., Pilitt, P. A., Kotani, T. and Powers, K. G. Morphogenesis of developmental stages of Dirofilaria immitis (Nematoda) in the dog. Proc. Helminthol. Soc. Wash. 52:98-113. 1985.
60. Lichtenfels, J. R. and Stroup, C. F. Eustrongylides sp. (Nematoda: Dioctophymatoidea): First report of an invertebrate host (Oligochaeta: Tubificidae) in North America. Proc. Helminthol. Soc. Wash. 52:320-323. 1985.
61. Hoberg, E.P., Zimmerman, G. L. and Lichtenfels, J.R. First report of Nematodirus battus (Nematoda: Trichostrongyloidea) in North America; redescription and comparison to other species. Proc. Helminthol. Soc. Wash. 53:80-88. 1986.
62. Lichtenfels, J.R., Pilitt, P. A. and Le Jambre, L. F. Cuticular ridge patterns of Haemonchus contortus and Haemonchus placei (Nematoda: Trichostrongyloidea). Proc. Helminthol. Soc. Wash. 53:94-101. 1986.
63. Lichtenfels, J.R. and Pilitt, P. A. Eustrongylides sp. (Nematoda: Dioctophymatoidea); differentiation of third- and fourth-stage larvae from killifish, Fundulus sp. collected in Chesapeake Bay area, USA. Proc. Helminthol. Soc. Wash. 53:144-148. 1986.
64. Torbert, B. J., Klei, T. R., Lichtenfels, J. R. and Chapman, M. R. A survey of intestinal helminths of ponies with little exposure to anthelminthics. J. Parasitol. 72:926-930. 1986.
65. Lichtenfels, J.R. Phylogenetic inference from adult morphology in the Nematoda; with emphasis on the bursate nematodes, the Strongylida; Advancements (1982-1985) and recommendations for further work. Int. J. Parasitol. 17:269-279. 1987. (Review Article)
66. Lichtenfels, J. R., Pilitt, P. A. and Wergin, W. P. Dirofilaria immitis: fine structure of cuticle during development in dogs. Proc. Helminthol. Soc. Wash. 54:133-140. 1987.
67. Lichtenfels, J.R., Pilitt, P. A., Le Jambre, L. F. Spicule lengths of the stomach nematodes of ruminants, Haemonchus contortus, Haemonchus placei and their hybrids. Proc. Helminthol. Soc. Wash. 55:97-100. 1988.
68. Lichtenfels, J. R., Pilitt, P. A., Lancaster, M. B. Cuticular ridge patterns of seven species of Ostertagiinae (Nematoda) parasitic in domestic ruminants. Proc. Helminthol. Soc. Wash. 55:77-86. 1988.
69. Lichtenfels, J.R. and Klei, T. R. Cylicostephanus torbertae sp. n. (Nematoda: Strongyloidea) from Equus caballus. Proc. Helminthol. Soc. Wash. 55:165-170. 1988.
70. Lichtenfels, J. R., Pilitt, P. A., Lancaster, M. B. Systematics of the nematodes that cause ostertagiasis in cattle, sheep and goats in North America. Vet. Parasitol. 27:3-12. 1988.
71. Lichtenfels, J. R. Strategies for success in helminth life cycles. Introduction: President's Symposium. J. Parasitol. 74:28-29. 1988.
72. Lichtenfels, J. R. and Pilitt, P. A. Cuticular ridge patterns of Marshallagia marshalli and Ostertagia occidentalis (Nematoda: Trichostrongyloidea) parasitic in ruminants of North America. Proc. Helminthol. Soc. Wash. 56:173-182. 1989.
73. Gamble, H. R., Purcell, J. P. and Lichtenfels, J. R. Light and scanning electron microscopy of the ecdysis of Haemonchus contortus infective larvae. J. Parasitol. 75:303-307. 1989.
74. Rickard, L. G. and Lichtenfels, J. R. Nematodirus archari (Nematoda: Trichostrongyloidea) from ruminants in North America with a description of the synlophe in the female. Can. J. Zool. 67:1708-1714. 1989.
75. Lichtenfels, J. R., Gamble, H. R. and Purcell, J. P. Scanning electron microscopy of the sheathed infective larva and parasitic third-stage larva of Haemonchus contortus (Nematoda: Trichostrongyloidea). J. Parasitol. 76:248-253. 1989.
76. Fayer, R., Gamble, H. R., Lichtenfels, J. R. and Bier, J. W. Foodborne and drinkborne parasites. In APHA Compendium of Methods for the Microbiological Examination of Foods (Third Edition). Ed. C. Vanderzant and D.F. Splittsttoesser. Am. Pub. Health Assn., Inc., Wash. D.C. 789-809. 1989. (Book Chapter)
77. Lichtenfels, J. R., Pilitt, P. A. and Fruetel, M. Cuticular ridge pattern in Ostertagia gruehneri and Ostertagia arctica (Nematoda: Trichostrongyloidea) from caribou, Rangifer tarandus. J. Helminthol. Soc. Wash. 57:61-68. 1990.
78. Lichtenfels, J. R. and Pilitt, P. A. A redescription of Ostertagia bisonis and a key to species of Ostertagiinae. J. Helminthol. Soc. Wash. 58:231-244. 1991.
79. Murrell, K. D., Lichtenfels, J. R. and Rausch, R. L. Genetics and systematics of Trichinella. Ann. Parasitol. Hum. Comp. 66 (Supplement I):23. 1991. (Congress Proceedings)
80. Vaucher, C., Lichtenfels, J. R., Muller, R. and Pritchard, M. H. Collections de parasites dans les musées. Ann. Parasitol. Hum. et Comp. 66 (Supplement I):13-16. 1991.
81. Pozio, E., La Rosa, G., Murrell, K. D. and Lichtenfels, J. R. Taxonomic revision of the genus Trichinella. J. Parasitol. 78:654-659. 1992.
82. Lichtenfels, J. R., Pilitt, P. A. and Hoberg, E. P. The National Parasite Collection - A century of service. J. Parasitol. 78:924-929. 1992.
83. Hoberg, E. P. and Lichtenfels, J. R. Morphology of the synlophe and genital cone of Parostertagia heterospiculum (Trichostrongyloidea) with comments on the subfamilial placement of the genus. Syst. Parasitol. 22:1-16. 1992.
84. Lichtenfels, J. R., Hoberg, E. P., Pilitt, P. A. and Belem, A. M. G. Cuticular ridge patterns in Mazamastrongylus odocoilei and Mazamastrongylus pursglovei (Nematoda: Trichostrongyloidea) from white-tailed deer, Odocoileus virginianus. Syst. Parasitol. 24:1-15. 1993.
85. Hoberg, E. P., Lichtenfels, J. R. and Pilitt, P. A. Comparative morphology of Ostertagia mossi and Ostertagia dikmansi (Trichostrongyloidea) from Odocoileus virginianus with comments on other Ostertagiinae from the Cervidae. Syst. Parasitol. 24:111-127. 1993.
86. Hoberg, E. P., Lichtenfels, J. R. and Pilitt, P. A. Synlophe of Cooperia neitzi (Trichostrongyloidea: Cooperiinae) with comments on vulval inflations and hypertrophy of cuticular ridges among the trichostrongylids. J. Helminthol. Soc. Wash. 60:152-161. 1993.
87. Lichtenfels, J. R. and Hoberg, E. P. The systematics of nematodes that cause Ostertagiasis in domestic and wild ruminants in North America with a key to species. Vet. Parasitol. 46:33-53. 1993.
88. Mansfield, L. S., Gamble, H. R., Baker, J. S. and Lichtenfels, J. R. Occurrence of a clinical lungworm infection (Protostrongylus rufescens) in a sheep flock in Maryland. J. Am. Vet. Med. Assn. 202:601-606. 1993.
89. Hoberg, E. P., Lichtenfels, J. R. and Pilitt, P. A. Affiliation of Hyostrongylus rubidus (Nematoda; Trichostrongylidae) with the Ostertagiinae, and evaluation of the synlophe and other structural characters. J. Helminthol. Soc. Wash. 60:219-233. 1993.
90. Lichtenfels, J. R., Pilitt, P. A. and Hoberg, E. P. New morphological characters for identifying individual specimens of Haemonchus spp. (Nematoda; Trichostrongyloidea) and a key to species in ruminants of North America. J. Parasitol. 80:107-119. 1994.
91. Zarlenga, D. S., Stringfellow, F., Nobary, M. and Lichtenfels, J. R. Cloning and characterization of ribosomal RNA genes from three species of Haemonchus (Nematoda: Trichostrongyloidea). Exper. Parasitol. 78:28-36. 1994.
92. Lichtenfels, J. R. and Wergin, W. P. Sublateral hypodermal chords in Haemonchus (Nematoda: Trichostrongyloidea): Description and potential as a systematic character. J. Parasitol. 80:620-624. 1994.
93. Zarlenga, D. S., Lichtenfels, J. R. and Stringfellow, F. Cloning and sequence analysis of the small subunit ribosomal RNA gene from Nematodirus battus. J. Parasitol. 80: 1994.
94. Dvojnos, G. M. Kharchenko, V. A. and Lichtenfels, J. R. Coronocyclus ulambajari n. sp. (Nematoda: Strongyloidea) from horses of Mongolia. J. Parasitol. 80:312-316. 1994.
95. Hoberg, E. P. and Lichtenfels, J. R. Phylogenetic systematic analysis of the Trichostrongylidae (Nematoda) with an initial analysis of coevolution and biogeography. J. Parasitol. 80:976-996. 1994.
96. Lichtenfels, J.R. Toward a national plan for parasite collections. J. Parasitol. 80:831-840. 1995.
97. Arriaga, C., Yepez-Mulia, L., Viveros, N., Adame, A., Zarlenga, D.S., Lichtenfels, J.R., Benetez, E. and Ortega-Pierres, M.G. Detection of Trichinella spiralis muscle larvae in naturally infected horses. J. Parasitol. 81:781-783. 1995.
98. Lichtenfels, J.R., Wergin, W.P., Murphy, C. and Pilitt, P.A. Bilateral, perivulval cuticular pores in Haemonchus, Mecistocirrus, Trichostrongylus and Ostertagia (Nematoda: Trichostrongylidae). J. Parasitol. 81:633-636. 1995.
99. Zarlenga, D.S., Aschenbrenner, R.A. and Lichtenfels, J.R. Variations in microsatellite sequences provide evidence for population differences and multiple ribosomal gene repeats within Trichinella pseudospiralis. J. Parasitol. 82:534-538. 1996.
100. Lichtenfels, J.R., Hoberg, E.P., Pilitt, P.A. and Craig, T.M. The synlophe and other structural characteristics of Sarwaria bubalis (Nematoda: Trichostrongyloidea) from cattle in Guyana. J. Parasitol. 82:146-154. 1996.
101. Hung, G.D., Chilton, N.B., Beveridge, I., McDonnell, A., Lichtenfels, J.R. and Gasser, R.B. Molecular delineation of Cylicocyclus nassatus and C. ashworthi (Nematoda: Strongylidae). Internat'l J. Parasitol. 27:601-605. 1997.
102. Kharchenko, V.A., Dvojnos, G.M., Krecek, R.C. and Lichtenfels, J.R. A redescription of Cylicocyclus triramosus (Nematoda: Strongyloidea): A parasite of the zebra, Equus burchelli. J. Parasitol. 83:922-926. 1997.
103. Lichtenfels, J.R., Hoberg, E.P. and Zarlenga, D.S. Systematics of gastrointestinal nematodes of domestic ruminants: Advances 1992-1995 and proposals for future research. Vet. Parasitol. 72:225-245. 1997.
104. Lichtenfels, J.R. Kharchenko, V.A., Sommer, C., and Ito, M. Key characters for the microscopial identification of Cylicocyclus nassatus and of Cylicocyclus ashworthi (Nematoda: Cyathostominae) of the horse, Equus caballus. J. Helminthol. Soc. Wash. 64:120-127. 1997.
105. Zarlenga, D.S., Aschenbrenner, R.A. and Lichtenfels, J.R. Genetic differences among populations of Trichinella pseudospiralis exhibited by polymorphism within ribosomal DNA simple sequence repeats. Proc. 9th Internatl. Conf. Trichinellosis, Mexico City, Mexico. 1997.
106. Andersen, E.M. and Lichtenfels, J.R. Anisakiasis. In C.H. Binford and D.H. Connor, eds., Pathology of Tropical and Extraordinary Diseases, Armed forces Inst. Pathology, Washington, DC (Book Chapter).(Accepted January 15, 1998). 1998.
107. Lichtenfels, J.R., Kharchenko, V.A., Krecek, R.C. and Gibbons, L.M. An annotated checklist, by genus and species of 93 species level names for 51 recognized species of small strongyles (Nematoda: Strongyloidea: Cyathostominea) of horses. asses and zebras of the world. Vet. Parasitol. 79:65-79. 1998.
108. Gibbons, L.M. and Lichtenfels, J.R. Cyathostomum Molin, 1861: Proposed conservation of usage by designation of a neotype for the type species Strongylus tetracanthus Mehlis, 1831 (Case 3075). Bull. Zoological Nomenclature. 55:1. 1998.
109. Zarlenga, D.S., Hoberg, E.P., Stringfellow, F. and Lichtenfels, J.R. Phylogenetic structure within the Ostertagiinae: mitochondrial and ribosomal DNA repeat sequences with comparisons of two species pairs of Ostertagia. J. Parasitol. 84:806-812. 1998.
110. Peterson, M.J., Purvis, J.R., Lichtenfels, J.R., Craig, T.M., Dronen, N.O. and Silvy, N.J. Serologic and parasitologic survey of the endangered Attwater's prairie chicken. J. Wildlife Dis. 34:137-144. 1998.
111. Purvis, J.R., Peterson, M.J., Dronen, N.E., Lichtenfels, J.R., Lester T.L. and Silvy, N.J. Northern bobwhites as disease indicators for the Attwater's prairie chicken. J. Wildlife Dis. 34:348-354. 1998.
112. Lichtenfels, J.R. Pilitt, P.A., Dvojnos, G.M., Kharchenko, V.S. and Krecek, R.C. A redescription of Cylicocyclus radiatus (Nematoda: Cyathostominae): A parasite of the Ass, Equus asinus and horse, Equus caballus. J. Helminthol. Soc. Wash. 65:56-61. 1998.
113. Zarlenga, D.S., Gasbarre, L.C., Boyd, P., Leighton, E. and Lichtenfels, J.R. Identification and semi-quantization of Ostertagia ostertagi eggs by enzymatic amplification of ITS-1 sequences. Vet. Parasitol. 77:245-257. 1998.
114. Fayer, R., Gamble, H.R., Lichtenfels, J.R. and Bier, J.W. Waterborne and foodborne parasites. In APHA Compendium of Methods for the Microbiological Examination of Foods, Fourth Edition. 1998.
115. Lichtenfels, J.R., Kirkbride, J.H. and Chitwood, D.J. Systematics collections of the Agricultural Research Service/ ARS Misc. Pub. #1343. ARS Information, USDA, Washington, DC, 71 pp, 1998. (Technical Bulletin).
116. Kaye, J.N., Love, S., Lichtenfels, J.R. and McKeand, J.B. Comparative sequence analysis of the intergenic spacer region of cyathostome species. Int. J. for Parasitol. 28:831-836. 1998.
117. Hung, G.C., Chilton, N.B., Beveridge, I. Zhu, X.Q., Lichtenfels, J.R. and Gasser, R.B. Molecular evidence for cryptic species within Cylicostephanus minutus (Nematoda: Strongylidae). Int. J. Parasitol. 29:285-291. 1999.
118. Lichtenfels, J.R. Pilitt, P.A. Kharchenko, V.A. and Dvojnos, G.M. Differentiation of Coronocyclus coronatus and Coronocyclus sagittatus (Nematoda: Cyathostominea) of horses. J. Helminthol. Soc. Wash. 66:56-66. 1999.
119. Gibbons, L.M. and Lichtenfels, J.R. Strongylus tetracanthus Mehlis, 1831 (currently Cyathostomum tetracanthum ) and C. catinatum Looss, 1900 (Nematoda): proposed conservation of usage by the designation of a neotype for C. tetracanthum. Bulletin of Zoological Nomenclature 56:230-234. 1999.
120. Urban, J.F., Rasmussen, T., Ishiwata, K., Cheever, A., Lichtenfels, J.R. Pilitt, P.A., Ericksen, L., Nansen, P. and Murrell, K.D. Migration and development of Ascaris suum larvae in Erythrocebus patas: Model for visceral larva migrans in humans. Amer. J. Tropical Medicine & Hygiene. (Accepted 1/31/99).
121. Hamir, A.N., Snyder, D.E. and Lichtenfels, J.R. Cerebral larva migrans in a racoon (Procyon lotor). Vet. Pathol. 36:618-620. 1999.
122. Lichtenfels, J.R. and Pilitt, P.A. Synlophe patterns of the Haemonchinae of ruminants (Nematoda: Trichostrongyloidea). Journal of Parasitology 86:1093-1098. 2000.
123. Andersen, E.M. and Lichtenfels, J.R. Anisakiasis. In W.M. Meyers, ed., Pathology of Infectious Diseases. Volume I Helminthiases. Armed Forces Inst. Pathology, Washington, DC, 529pp. 2000.
124. Murrell, K.D., Lichtenfels, J.R., Zarlenga, D.S. and Pozio, E. The systematics of the genus Trichinella with a key to species. Veterinary Parasitology 93:293-307. 2000.
125. McDonnell, A., Love, S., Tait, A., Lichtenfels, J.R. and Matthews, J.B. Phylogenetic analysis of partial mitochondrial cytochrome oxidase C subunit I and large ribosomal RNA sequences and nuclear internal transcribed spacer 1 sequences from species of Cyathostominae and Strongylinae (Nematoda, Order Strongylida) parasites of the horse. Parasitology 121: 649-659. 2000.
126. Hodgkinson, J.E., Love, S., Lichtenfels, J.R., Palfreman, S., Ramsey, Y.H., and Matthews, J.B. Evaluation of the specificity of five oligoprobes for identification of cyathostomin species from horses. Int. J. Parasitol. 31:197-204. 2001.
127. Kharchenko, V.A., Lichtenfels, J.R. and Krecek, R.C. Cyathostomum montgomeryi and its place in the Cyathostominae (Nematoda: Strongylidae). Comparative Parasitology 68:97-102. 2001.
128. Lichtenfels, J.R., McDonnell, A., Love, S. and Matthews, J.B. Nematodes of the Tribe Cyathostominea (Strongylidae) collected from horses in Scotland. Comparative Parasitology 68:265-269. 2001.
129. Lichtenfels, J.R., Pilitt, P.A., Gibbons, L.M.and Boomker, J.D.F. Haemonchus horaki n. sp. (Nematoda: Trichostrongyloidea) from the rhebok, Pelea capreolus, in South Africa. J. Parasitol. 87:1095-1103. 2001.
130. Lichtenfels, J.R., Pilitt, P.A., Gibbons, L.M.and Hoberg, E.P. Redescriptions of Haemonchus mitchelli and Haemonchus okapiae (Nematoda: Trichostrongyloidea) and description of a unique synlophe for the Haemonchinae. J. Parasitol. (In Press). 2002.
131. Kinsella, J.L., Lichtenfels, J.R., Ryan, M.F., A preliminary analysis of proteolytic activity of excretory-secretory products from Cyathostominea. Vet. Parasitol. (In Press). 2002.