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Calyptospora empristica n. sp. (Eimeriorina: Calyptosporidae) from the Liver of the Starhead Topminnow, Fundulus notti 1
Author(s) -
FOURNIE JOHN W.,
HAWKINS WILLIAM E.,
OVERSTREET ROBIN M.
Publication year - 1985
Publication title -
the journal of protozoology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.067
H-Index - 77
eISSN - 1550-7408
pISSN - 0022-3921
DOI - 10.1111/j.1550-7408.1985.tb04058.x
Subject(s) - fundulus , residuum , biology , genus , shrimp , anatomy , zoology , fish <actinopterygii> , geology , ecology , fishery , geomorphology
Oocysts of Calyptospora empristica n. sp., the second described species in its genus, are described from the freshwater starhead topminnow, Fundulus notti , in southern Mississippi. Oocysts are 22 μm in diameter with a wall about 20 nm thick and have no residuum, micropyle, or polar granule. Sporocysts are spheroid, 9 × 5 μm with a two‐layered wall approximately 120 nm thick. They have an oblong apical opening at the anterior pole, a single ornamented sporopodium approximately 5.7 μm long at the posterior pole, and a residuum. An intermediate host, most likely the freshwater grass shrimp Palaemonetes kadiakensis , is probably required to complete the life cycle.