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Comparative Parasitology 67(1) 2000 - Peru State College

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17. Trunk spines appearing continuous with<br />

collar spines Pallisentis (P.) magnum<br />

Saeed and Bilqees, 1971<br />

Trunk spines well separated from collar<br />

spines 18<br />

18. Proboscis hooks 10 per circle, each embedded<br />

in thickened cuticular rim;<br />

trunk spines with cuticular comblike<br />

thickening; males with additional circles<br />

of posttesticular trunk spines; testes<br />

preequatorial Pallisentis<br />

(P.) kalriai Khan and Bilqees, 1985<br />

Proboscis hooks 8-10 per circle; no cuticular<br />

thickening at base of proboscis<br />

hooks or trunk spines; no posttesticular<br />

trunk spines; testes not preequatorial 19<br />

19. Female trunk spines in 36-73 circles, extending<br />

to just anterior to posterior end;<br />

lemnisci unequal; testes small, less<br />

than 0.5 mm long Pallisentis<br />

(P.) gomtii Gupta and Verma, 1980<br />

Female trunk spines in 10-20 circles, extending<br />

only to anterior third of trunk;<br />

lemnisci equal; testes large, more than<br />

1.0 mm long 20<br />

20. Proboscis hooks 8 per circle; testes equatorial;<br />

cement gland 2.2-3.0 mm long<br />

Pallisentis (P.) sindensis Khan and<br />

Bilqees, 1987<br />

Proboscis hooks 10 per circle; testes<br />

postequatorial; cement gland short,<br />

0.7—1.6 long Pallisentis (P.) gaboes<br />

(MacCallum, 1918) Van Cleave, 1928<br />

21. Proboscis hooks 6-7 per circle 22<br />

Proboscis hooks 8-12 per circle 23<br />

22. Proboscis hooks 6 per circle; anterior<br />

hooks 89-119 long; cement gland with<br />

16 giant nuclei Pallisentis<br />

(P.) umbellatus Van Cleave, 1928<br />

Proboscis hooks 7 per circle; anterior<br />

hooks 60-70 long; cement gland with<br />

10—12 nuclei Pallisentis pesteri<br />

(Tadros, 1966) Showhan, Gupta,<br />

and Khera, 1987<br />

23. Cement gland with 12-14 giant nuclei;<br />

lemnisci equal 24<br />

Cement gland with 23-25 giant nuclei;<br />

lemnisci unequal 25<br />

24. Proboscis hooks 8 per circle; collar<br />

spines in 6-7 circles each with 29—40<br />

spines; trunk spines in 8—13 circles<br />

each with 30—41 spines with sclerotized,<br />

large, variably shaped beds; tes-<br />

AMIN ET AL.—REVISION OF THE GENUS PALLISENTIS 49<br />

tes longer than 0.7 mm Pallisentis<br />

(P.) celatus Van Cleave, 1928<br />

Proboscis hooks 10—12 per circle; collar<br />

spines in 15-17 circles each with 18-<br />

20 spines; trunk spines in 21-22<br />

(males), <strong>67</strong> (females) circles each with<br />

16-20 simple triangular spines; testes<br />

0.28-0.42 long<br />

- Pallisentis (P.) colisai Sakkar, 1954<br />

25. Proboscis hooks 93, 80, 60, 33 long<br />

(from anterior); trunk spines in 44-55<br />

circles, each with 16-20 spines; female<br />

gonopore posteroventral<br />

Pallisentis (P.) nandai Sarkar, 1953<br />

Proboscis hooks 62-64, 49-54, 36-46,<br />

24-28 long (from anterior); trunk<br />

spines in 25-26 circles, each with 10<br />

spines; female gonopore terminal<br />

Pallisentis (P.) singaporensis Khan<br />

and Ip, 1988<br />

Literature Cited<br />

Arnold, J. G., Jr., H. E. Schafer, and R. L. Vulliet.<br />

1968 The parasites of the freshwater fishes of<br />

Louisiana. Proceedings of the Southeastern Association<br />

of Game and Fish Commission Annual<br />

Conference 21:531-543.<br />

Baylis, M. A. 1933. On some parasitic worms from<br />

Java, with remarks on the acanthocephalan genus<br />

Pallisentis. Annals and Magazine of Natural History,<br />

Series 10 12:443-449.<br />

Chowhan, J. S., N. K. Gupta, and S. Khera. 1987.<br />

On two species of the genus Pallisentis Van<br />

Cleave, 1928 from fishes of Gobindsagar Lake<br />

and synonymy of the genus Saccosentis Tadros,<br />

1966. Research Bulletin of the Panjab University,<br />

Science 38:21-26.<br />

Farooqi, H. U. 1958. A new species of the genus Pallisentis<br />

from a fresh-water eel. Zeitschrift fur Parasitenkunde<br />

18:457-464.<br />

Fernando, C. H., and J. I. Furtado. 1963. A study<br />

of some helminth parasites of freshwater fishes in<br />

Ceylon. Zeitschrift fur Parasitenkunde 23:141-<br />

163.<br />

Golvan, Y. J. 1959. Le phylum de Acanthocephala.<br />

Deuxieme note. La classe de Eoacanthocephala<br />

(Van Cleave, 1936). Annales de Parasitologie Humaine<br />

et Comparee 34:5-52.<br />

. 1994. Nomenclature of the Acanthocephala.<br />

Research and Reviews in <strong>Parasitology</strong> 54:135-<br />

205.<br />

Gupta, S. P., and S. L. Verma. 1980. On three new<br />

Acanthocephala parasites of the genus Pallisentis<br />

Van Cleave, 1928 from freshwater fishes of Lucknow.<br />

Helminthologia 17:269-282.<br />

Gupta, V., and S. Fatma. 1986. On some acanthocephalan<br />

parasites (Family Quadrigyridae Van<br />

Cleave, 1920) from fishes of Uttar Pradesh and<br />

Copyright © 2011, The Helminthological Society of Washington

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