Rhynchonellata - Spiriferida - Spiriferellidae

Alternative combinations: Spirifer sulcifera, Spirifer sulciferus

Full reference: B. F. Shumard. 1858. Notice of new fossils from the Permian strata of New Mexico and Texas, collected by Dr. George G. Shumard, geologist of the United States Government expedition for obtaining water by means of artesian wells along the 32nd parallel, under the direction of Capt John Pope, US Corps Topographic Engineers. Transactions of the Academy of Science of St. Louis 1:290-297

Belongs to Spiriferella according to G. A. Cooper and R. E. Grant 1976

Sister taxa: Spiriferella antefurcata, Spiriferella arctica, Spiriferella australasica, Spiriferella bituchensis, Spiriferella borealica, Spiriferella burgaliensis, Spiriferella calcarata, Spiriferella clypeata, Spiriferella consimilis, Spiriferella cundlegoensis, Spiriferella embrithes, Spiriferella etheridgei, Spiriferella gloverae, Spiriferella gravis, Spiriferella hinganensis, Spiriferella interplicata, Spiriferella jilongensis, Spiriferella keilhavii, Spiriferella keilhaviiformis, Spiriferella lata, Spiriferella leviplica, Spiriferella levis, Spiriferella loveni, Spiriferella magna, Spiriferella modesta, Spiriferella mugunica, Spiriferella nepalensis, Spiriferella orientensis, Spiriferella ovata, Spiriferella persaranae, Spiriferella personata, Spiriferella primaeva, Spiriferella propria, Spiriferella pseudodraschei, Spiriferella pseudotibetana, Spiriferella rajah, Spiriferella salteri, Spiriferella saranae, Spiriferella scobina, Spiriferella scobinoidea, Spiriferella scopulosus, Spiriferella simplex, Spiriferella sinica, Spiriferella subsalteri, Spiriferella supplanta, Spiriferella tetralobata, Spiriferella turusica, Spiriferella unicostata, Spiriferella vaskovskii, Spiriferella vojnowskii, Spiriferella wangi, Spiriferella wimanni, Spiriferella yukonensis

Ecology: stationary epifaunal suspension feeder

Average measurements (in mm): shell 10.3 x 10.2, valve 14.1 x 15.9