Zacanthoides Walcott 1888 (trilobite)

Trilobita - Corynexochida - Zacanthoididae

Synonym: Embolimus Rominger 1887 [replaced name]

Parent taxon: Zacanthoididae according to F. A. Sundberg 1994

See also Eddy and McCollum 1998, Jell and Adrain 2002, Mason 1935, Palmer 1954, Palmer and Halley 1979, Sepkoski 2002 and Walcott 1908

Sister taxa: Albertella, Albertellina, Albertelloides, Chuchiaspis, Danjiangella, Delamarella, Fieldaspis, Mexicaspis, Micmaccopsis, Panxinella, Paralbertella, Parkaspis, Prozacanthoides, Pseudozacanthopsis, Ptarmiganoides, Qingzhenaspis, Stephenaspis, Ursinella, Vanuxemella, Zacanthopsina, Zacanthopsis

Subtaxa: Zacanthoides abbreviatus Zacanthoides adjunctus Zacanthoides demissus Zacanthoides divergens Zacanthoides eatoni Zacanthoides fronslicinus Zacanthoides gradatus Zacanthoides holopygous Zacanthoides holopygus Zacanthoides idahoensis Zacanthoides kelsayae Zacanthoides sampsoni Zacanthoides serratus Zacanthoides spinosus Zacanthoides typicalis Zacanthoides variacantha Zacanthoides walapai

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Ecology: nektobenthic carnivore

Distribution:

• Marjumian of United States (2: Utah collections)

• Cambrian of Argentina (2), Canada (27: Alberta-British Columbia, Brithish Columbia, British Columbia, Newfoundland and Labrador, Northwest Territories), Greenland (1), Mexico (1), United States (42: Alaska, California, Idaho, Nevada, Nevada and California, New York, Utah, Vermont)

Total: 75 collections including 83 occurrences

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Specimen images are retrieved through the ePANDDA API.


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