Rhynchonellata - Orthida - Dalmanellidae
Full reference: H. J. Howe. 1965. Dalmanellidae from the Montoya Group (Ordovician) of Trans-Pecos Texas. Journal of Paleontology 39(2):235-247
Belongs to Onniella according to H. J. Howe 1965
Sister taxa: Onniella acuta, Onniella argentea, Onniella bancrofti, Onniella broeggeri, Onniella flava, Onniella jonesi, Onniella kalvoya, Onniella longa, Onniella navis, Onniella ostentata, Onniella pashkevichiusi, Onniella perplexa, Onniella rava, Onniella sturensis, Onniella tricapitata, Onniella trigona, Onniella tyersensis, Onniella yichangensis
Type specimen: USNM 144961, a shell. Its type locality is Section 06. Franklin Mountain. Small ridge 0.7 mile S55˚W. of Sugarloaf Mountain, which is in a Maysvillian deep subtidal dolomite in the Aleman Formation of Texas.
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of United States (3: Texas collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.