†Idiostrophia acuminata Pander 1830 (lamp shell)
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Rhynchonellata - Pentamerida - Camerellidae
This might be Porambonites acuminata, but 1) it's never been put in Idiostrophia elsewhere, and 2) that species is a bit younger than these specimens. I cannot find any Idiostrophia acuminata anywhere else.
Belongs to Idiostrophia according to Pander 1830
Sister taxa: Idiostrophia costata, Idiostrophia digitata, Idiostrophia perfecta, Idiostrophia prima, Idiostrophia tenuicostata, Idiostrophia valdari
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of the Russian Federation (2 collections)
Total: 2 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.