Hesperorthis davidsoni deVerneuil 1848 (lamp shell)

Rhynchonellata - Orthida - Hesperorthidae

Alternative combination: Orthis davidsoni pyramidalis

Belongs to Hesperorthis according to M. Rubel 2011

See also Bassett and Cocks 1974, Jin and Zhan 2008, Rasmussen 2013 and Twenhofel 1928

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

Type specimen: YPM 10419, a shell

Ecology: stationary epifaunal suspension feeder

Distribution:

• Silurian of Canada (7: Manitoba, Nunavut, Ontario, Quebec collections), Estonia (7), the Russian Federation (1), Sweden (2), the United Kingdom (2)

Total: 19 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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