Rhynchonellata - Orthida - Hesperorthidae
Alternative combination: Orthis costalis
Belongs to Hesperorthis according to G. A. Cooper 1956
See also Raymond 1911
Sister taxa: Hesperorthis antelopensis, Hesperorthis australis, Hesperorthis avalanchensis, Hesperorthis barbata, Hesperorthis benjaminensis, Hesperorthis biconvexa, Hesperorthis craigensis, Hesperorthis davidsoni, Hesperorthis dubia, Hesperorthis gotlandica, Hesperorthis hillistensis, Hesperorthis ignicula, Hesperorthis latecostata, Hesperorthis laurentina, Hesperorthis leinsterensis, Hesperorthis longirostroides, Hesperorthis martinssoni, Hesperorthis matutina, Hesperorthis mucronata, Hesperorthis onniensis, Hesperorthis pyramidalis, Hesperorthis rae, Hesperorthis sulcata, Hesperorthis tricenaria
Ecology: stationary epifaunal suspension feeder
Distribution: found only at Chazy village, Day Point Formation ( of New York)
Specimen images are retrieved through the ePANDDA API.
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