Taxonomic summary of genera within the Eimeriidae
Compiled by
Donald W. Duszynski and Lee Couch
Department of Biology, University of New Mexico
and
Steve J. Upton
Division of Biology, Kansas State University
Supported by NSF-PEET DEB 9521687
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Updated: 30 August 1998
Comments: eimeria@unm.edu
Family Eimeriidae Minchin, 1903
Homoxenous or facultatively homoxenous; merogony, gamogony, and formation of oocysts all
within the same host; in vertebrates or invertebrates.
Genus Barroussia Schneider, 1885
Synonym: Barrouxia Schellack & Reichenow,
1921
Synonym: Echinospora Leger,
1897
Synonym: Eimeria of Schneider,
1875, pro
parte
Synonym: Urobarrouxia Mesnil, 1903
Definition: Oocysts with many sporocysts, each with 1
sporozoite; sporocysts bivalved; in invertebrates.
Type species: Barroussia ornata Schneider, 1885
Genus Caryospora Leger, 1904
Synonym: Eumonospora Allen, 1933
Synonym: Karyospora Leger, 1904,
lapsus
Definition: Oocysts with 1 sporocyst, each with 8
sporozoites; in vertebrates, predominately snakes and raptors
Type species: Caryospora simplex Leger, 1904
Genus Caryotropha Siedlecki, 1902
Definition: Oocysts without definate
oocyst wall, with about 20 sporocysts each with about 12 sporozoites. In
polychaetes
Type species: Caryotropha mesnili
Siedlecki, 1902
Genus Cyclospora Schneider, 1881
Definition: Oocysts with 2 sporocysts, each with 2
sporozoites
NOTE: Those from reptilian hosts are most likely misidentifications of
Isospora or Sarcocystis spp.
Type species: Cyclospora glomericola Schneider,
1881
Genus Defretinella Hennere, 1966
Definition: Oocysts with >50 bivalved
sporocysts, each with numerous sporozoites. In
polychaetes
Type species: Defretinella
eulailiae Hennere, 1966
Genus Diaspora Leger, 1898
Definition: Oocysts unknown; sporocysts each with 1
sporozote. Sporocysts lacking suture; in invertebrates
Type species: Diaspora hydatidea
Leger, 1898
Genus Dorisa Levine, 1979
Synonym: Dorisiella Ray, 1930, pro
parte
Definition: Oocysts with 2 sporocysts, each with 8
sporozoites
NOTE: Most species appear to represent abnormal
sporulation or misidentification of isosporan oocysts
Type species: Dorisa hoarei (Yakimoff & Gousseff,
1935) Levine, 1979
Genus Dorisiella Ray, 1930
Definition: Oocysts without definate
oocyst wall, with about 20 sporocysts each with about 8 sporozoites. In
polychaetes
Type species: Dorisiella
scolelepidis
Ray, 1930
Genus Eimeria Schneider, 1875
Synonym: Acroeimeria Paperna & Landsberg,
1989
Synonym: Acystis Labbe, 1894,
pro parte
Synonym: Ampulleimeria Pellerdy,
1964
Synonym: Archeococcidia Schmidt,
Duszynski, & Martin, 1992
Synonym: Bananella Labbe, 1895
Synonym: Caryophagus Druner, 1894,
lapsus
Synonym: Choleoeimeria Paperna & Landsberg,
1989
Synonym: Coccidium Leuckart, 1879, pro
parte
Synonym: Crystallospora Labbe,
1899
Synonym: Cytophagus Steinhaus, 1891, pro
parte
Synonym: Cytospermium Rivolta, 1878, pro
parte
Synonym: Eimeriella Stiles, 1901
Synonym: Ellipseimeria Pellerdy,
1964
Synonym: Epieimeria Dykova & Lom, 1981
Synonym: Globideimeria Pellerdy,
1964
Synonym: Globidium Flesch, 1894, pro
parte
Synonym: Gousseimeria Pellerdy,
1964
Synonym: Goussia Labbe, 1896
Synonym: Gregarina Eimer, 1870, pro
parte
Synonym: Ileocystis Gilruth &
Bull, 1912
Synonym: Jarrina Leger & Hesse,
1922
Synonym: Karyophagus Steinhaus, 1889
Synonym: Lymphocystis Gilruth &
Bull, 1912
Synonym: Marotelia Ratz, 1905
Synonym: Nucleoeimeria Daoudi,
1987
Synonym: Nucleogoussia Daoudi,
1987
Synonym: Orcheocystis Trinci,
1916
Synonym: Orthospora Schneider, 1881, pro
parte
Synonym: Oveimeria Pellerdy,
1964
Synonym: Paracoccidium Laveran & Mesnil,
1902
Synonym: Pfeifferella Labbe,
1899
Synonym: Pfeifferia Labbe,
1894
Synonym: Poleimeria Pellerdy,
1964
Synonym: Psorospermium Rivolta, 1878, pro
parte
Synonym: Rotundeimeria Pellerdy,
1964
Synonym: Stomateimeria Pellerdy,
1964
Definition: Oocysts with 4 sporocysts,
each with 2
sporozoites. In vertebrates and invertebrates
Type species: Eimeria falciformis (Eimer, 1870)
Schneider, 1875
Genus Isospora Schneider, 1881
Synonym: Coccidium Leukart, 1879, pro
parte
Synonym: Cystoisospora Frenkel, 1977
Synonym: Diplospora Labbe,
1893
Synonym: Hyaloklossia Labbe,
1896, pro parte
Synonym: Klossia Labbe, 1894,
pro
parte
Synonym: Levineia Dubey, 1977
Synonym: Lucetina Henry & Leblois, 1925, pro
parte
Synonym: Psorospermium Rivolta, 1878, pro
parte
Synonym: Oocysts with 2 sporocysts, each with 4
sporozoites. In vertebrates and invertebrates
Type species: Isospora rara Schneider, 1881
Genus Mantonella Vincent, 1936
Definition: Oocysts with 1 sporocyst, each with 4
sporozoites; in invertebrates and, perhaps, vertebrates.
Type species: Mantonella peripati Vincent, 1936
Genus Ovivora Mackinnon & Ray, 1937
Definition: Oocysts with many sporocysts, each with up to
12 sporozoites; in eggs of echiuroid
Type species: Ovivora thalassemae (Lankester,
1885) Mackinnon & Ray, 1937
Genus Pfeifferinella von Wasielewski, 1904
Synonym: Alveocystis Bel'tenev, 1980
Definition: Oocysts lacking sporocysts, usually with large
micropyle and 8+ free sporozoites; in invertebrates
Type species: Pfeifferinella ellipsoides von
Wasielewski, 1904
Genus Pseudoklossia Leger & Duboscq, 1915
Synonym: Grasseella Tuzet &
Ormieres, 1960
Synonym: Hyaloklossia Leger,
1897, pro parte
Synonym: Margolisiella Desser &
Bower, 1997
Definition: Oocysts with many sporocysts, each with 2
sporozoites; in marine molluscs
Type species: Pseudoklossia
glomerata Leger &
Duboscq, 1915
Genus Tyzzeria Allen, 1936
Synonym: Koidzumiella Matubayasi, 1936
Definition: Oocysts without sporocysts, each with 8
sporozoites; in vertebrates
Type species: Tyzzeria perniciosa Allen, 1936
Genus Wenyonella Hoare, 1933
Definition: Oocysts with 4 sporocysts, each with 4
sporozoites; in vertebrates
Type species: Wenyonella africana
Hoare, 1933
Invalid genera
Gousseffia Levine, 1980
Synonym: Yakimovella Gousseff,
1937, nomen
preocc.
Definition: Oocysts with 8 sporocysts,
each sporocyst with
many sporozoites.
Type species: Gousseffia
erinacei (Gousseff,
1937) Levine, 1980
Oocysts probably represent an adelid pseudoparasite
Hoarella Arcay de Peraza, 1963
Definition: Oocysts with 16 sporocysts,
each sporocyst
with 2 sporozoites
Type species: Hoarella garnhami
Arcay de
Peraza, 1963
This parasite most likely represents a parasite of arthropods and the
developmental stages another coccidian
Octosporella Ray & Ragavachari, 1942
Definition: Oocysts with 8 sporocysts,
each sporocyst with
2 sporozoites
Type species: Octosporella
mabuiae Ray &
Raghavachari, 1942
The species from lizards and the echidna probably
represent parasites
of arthropods
Any developmental stages noted are probably those of another
coccidian
Species from the fish were described from smears and the sporocyst
plates misidentified as
intact sporocysts
Polysporella McQuistion, 1990
Definition: Oocysts with 9-15
sporocysts, each sporocyst
with 2 sporozoites
Type species: Polysporella genovesae
McQuiston, 1990
This coccidian most likely represents an adelid
pseudoparasite
Pythonella Ray & Das Gupta, 1937
Definition: Oocysts with 16 sporocysts,
each sporocyst
with 4 sporozoites
Type species: Pythonella
bengalensis Ray & Das
Gupta, 1937
All species appear to represent adelid
pseudoparasites
Sivatoshella Ray & Sarkar, 1968
Definition: Oocysts with 2 sporocysts,
each sporocyst with
16 sporozoites
Type species: Sivatoshella
lonchurae Ray &
Sarkar, 1968
The oocysts appear to be the result of abnormal
sporulation of an
isosporan
Skrjabinella Matschoulsky, 1949
Definition: Oocysts with 16 sporocysts,
each sporocyst
with 1 sporozoite
Type species: Skrjabinella
mongolica
Matschoulsky, 1949
This coccidian appears to be an adelid
pseudoparasite