†Ptilorhynchia (Proteorhynchia) Owen 1981 (lamp shell)
Rhynchonellata - Rhynchonellida - Rhynchonellidae
Parent taxon: Ptilorhynchia according to Owen 1981
Sister taxa: Ptilorhynchia (Ptilorhynchia), Ptilorhynchia anabarensis, Ptilorhynchia anadyrensis, Ptilorhynchia australis, Ptilorhynchia exigua, Ptilorhynchia glabra, Ptilorhynchia jeletzkyi, Ptilorhynchia lenaensis, Ptilorhynchia mclachlani, Ptilorhynchia obscuricostata, Ptilorhynchia plumasensis, Ptilorhynchia pugnaciformis, Ptilorhynchia seducta
Subtaxa: Ptilorhynchia (Proteorhynchia) durangensis Ptilorhynchia (Proteorhynchia) imlayi
Ecology: stationary epifaunal suspension feeder
Distribution:
• Cretaceous of Antarctica (1 collection), Mexico (2)
Total: 3 collections each including a single occurrence