Ptyctothyris hardgravensis Crickmay 1933 (lamp shell)

Rhynchonellata - Terebratulida - Loboidothyrididae

Full reference: C. H. Crickmay. 1933. Attempt to Zone the North American Jurassic on the Basis of its Brachiopods. Geological Society America Bulletin 44:871-894

Belongs to Ptyctothyris according to C. H. Crickmay 1933

Sister taxa: Ptychtothyris baylei, Ptychtothyris stephani, Ptyctothyris biplicata, Ptyctothyris daghaniensis, Ptyctothyris niortensis, Ptyctothyris phlegethontis, Ptyctothyris quillyensis, Ptyctothyris remisovi, Ptyctothyris subcanaliculata, Systenothyris triangulata

Type specimen: Its type locality is Spur 34, southwest slope of Mount Jura, which is in an Aalenian marine sandstone in the Hardgrave Formation of California

Ecology: stationary low-level epifaunal suspension feeder

Distribution: found only at Spur 34, southwest slope of Mount Jura

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Specimen images are retrieved through the ePANDDA API.


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