Calymene polgari Siveter and Chatterton 1996 (trilobite)

Trilobita - Phacopida - Calymenidae

Full reference: D. J. Siveter and B. D. E. Chatterton. 1996. Silicified calymenid trilobites from the Mackenzie Mountains, northwest Canada. Palaeontographica Abteilung A 239(1-3):43-60

Belongs to Calymene according to D. J. Siveter and B. D. E. Chatterton 1996

Sister taxa: Calymene (Calymene), Calymene ansensis, Calymene australis, Calymene barnesi, Calymene blumenbachii, Calymene breviceps, Calymene bufo, Calymene callicephala, Calymene celebra, Calymene conradi, Calymene frontosa, Calymene gamachei, Calymene granulosa, Calymene hadyardensis, Calymene latigenata, Calymene marginata, Calymene mimaspera, Calymene minimarginata, Calymene nasuta, Calymene niagarensis, Calymene nowlani, Calymene orthomarginata, Calymene retrorsa, Calymene ubitquitosus

Type specimen: UA 8324, a cephalon/head (cranidium). Its type locality is Fauna j, Section AV1, Delorme Fm., Mackenzie Mts., which is in a Whitwellian slope limestone/shale in the Delorme Formation of Canada.

Ecology: nektobenthic carnivore

Distribution:

• Silurian of Canada (6: Northwest Territories collections)

Total: 6 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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