Robergiella sagittalis Whittington 1959 (trilobite)

Trilobita - Asaphida - Remopleurididae

Full reference: H. B. Whittington. 1959. Silicified Middle Ordovician trilobites: Remopleuridae, Trinucleidae, Raphiophoridae, Endymioniidae. Bulletin of the Museum of Comparative Zoology 121(8):371-496

Belongs to Robergiella according to H. B. Whittington 1959

Sister taxa: Robergiella brevilingua, Robergiella correcta, Robergiella lundehukensis, Robergiella neteorum, Robergiella tjernviki

Type specimen: USNM 137679, a cephalon/head (cranidium). Its type locality is Loc. 14, Lacey Spring area, which is in a Blackriveran carbonate limestone in the Edinburg Formation of Virginia.

Ecology: nektobenthic carnivore

Distribution:

• Ordovician of Canada (1: Northwest Territories collection), United States (3: Virginia)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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