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Phthonia regularis Barrande 1881 (mussel)

Bivalvia - Mytilida - Mytilidae

PaleoDB taxon number: 136831

Alternative combination: Modiolopsis regularis

Full reference: J. Barrande. 1881. Système Silurien de Centre de la Bohême. Volume VI: Acéphales. Système Silurien de Centre de la Bohême. Volume VI: Acéphales 1-342

Belongs to Phthonia according to J. Kříž 2008

Sister taxa: none

Type specimen: NM L 22 768, a shell (conjoined valves)

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): 13.9 x 9.1