†Oligorthis (lamp shell)
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Rhynchonellata - Orthida - Plectorthidae
Parent taxon: Plectorthidae according to A. Williams et al. 2000
See also Sepkoski 2002
Sister taxa: Apollonorthis, Ashinaorthis, Atlantida, Corineorthis, Desmorthis, Doleroides, Hebertella, Irhirea, Lipanorthis, Mimella, Nanorthis, Orthostrophiinae, Paterorthis, Platystrophiinae, Platystrophinae, Plectorthinae, Plectorthis, Pseudomimella, Schizophorella, Severginella, Weberorthis
Subtaxa: Oligorthis arbucklensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Arenig of United States (1: Texas collection)
• Ordovician of Australia (1), China (1), United States (1: Oklahoma)
Total: 4 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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