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Spirelytha petaliformis Pavlova 1973 (lamp shell)

Rhynchonellata - Spiriferida - Elythidae

PaleoDB taxon number: 125190

Alternative combination: Kitakamithyris petaliformis

Full reference: E. E. Pavlova. 1973. Taxonomic names, in Permian Brachiopoda of the Pamir. Akademiya Nauk SSSR, Trudy Paleontologicheskogo Instituta 136:1-211

Belongs to Spirelytha according to L. Angiolini et al. 2005

Sister taxa: Spirelytha borealis, Spirelytha buravasi, Spirelytha fredericksi, Spirelytha grandis, Spirelytha kashirtsevi, Spirelytha kislakovi, Spirelytha magna, Spirelytha miloradovichi, Spirelytha pavlovae, Spirelytha sheii, Spirelytha stepanoviana

Type specimen: PIN 2774/174, a shell (Articulated shell). Its type locality is Kastanat-Djilga 1, Bazardarin Fm, which is in a Sakmarian coastal siltstone in the Bazardarin Formation of Tajikistan.

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 24.8 x 30.0, valve 25.8 x 33.6