Hesperorthis pyramidalis deVerneuil 1848 (lamp shell)

Rhynchonellata - Orthida - Hesperorthidae

Belongs to Hesperorthis according to C. M. O. Rasmussen 2013

Sister taxa: Hesperorthis australis, Hesperorthis avalanchensis, Hesperorthis barbata, Hesperorthis benjaminensis, Hesperorthis costalis, Hesperorthis craigensis, Hesperorthis davidsoni, Hesperorthis gotlandica, Hesperorthis hillistensis, Hesperorthis ignicula, Hesperorthis leinsterensis, Hesperorthis longirostroides, Hesperorthis martinssoni, Hesperorthis mucronata, Hesperorthis onniensis, Hesperorthis rae, Hesperorthis tricenaria

Type specimen: YPM 10419, a shell

Ecology: stationary epifaunal suspension feeder


• Ordovician of Canada (5: Northwest Territories, Quebec collections), United States (2: Wyoming)

Total: 7 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.

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