ammonites
Spiriferella scobina Meek 1860 (lamp shell)

Rhynchonellata - Spiriferida - Spiriferellidae

Alternative combinations: Spirifer (Spiriferina) scobina, Spirifer (Trigonotreta) scobina, Spirifera scobina

Full reference: F. B. Meek. 1860. Descriptions of new fossil remains collected in Nebraska and Utah, by the exploring expeditions under the command of Capt. J. H. Simpson, of U. S. Topographical Engineers. Proceedings of the Academy of Natural Sciences of Philadelphia 12:308-315

Belongs to Spiriferella according to B.R. Wardlaw 1977

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 scobinoidea, Spiriferella scopulosus, Spiriferella simplex, Spiriferella sinica, Spiriferella subsalteri, Spiriferella sulcifer, 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): valve 11.7 x 14.5