Pilina Explained

Pilina is an extinct genus of paleozoic monoplacophorans in the family Tryblidiidae.

Species

Species in the genus Pilina include:^[1]

• Pilina acuminatum Perner (in Koken & Perner), 1925
• Pilina cheyennica Peel, 1977^[2] - from Ordovician in the Keel Member in Oklahoma
• Pilina esthonum (Koken, 1897)^[3] - synonym: Triblidium esthonum
• Pilina ovoideum Perner (in Koken & Perner), 1925
• Pilina solarium (Lindström, 1884)^[4] - synonym: Palaeacmaea solarium
• Pilina unguis (Lindström, 1880)^[5] - synonym: Tryblidium unguis

Notes and References

1. http://paleodb.org/cgi-bin/bridge.pl?action=checkTaxonInfo&taxon_no=7817&is_real_user=1 Pilina
2. Peel J. S. 1977. Relationship and Internal Structure of a New Pilina (Monoplacophora) from the Late Ordovician of Oklahoma. Journal of Paleontology, Vol. 51, No. 1 (Jan., 1977), pp. 116-122.
3. Koken E. 1897. Die Gastropoden des baltischen Untersilurs. Bulletin de l'Académie Impériale des Sciences de St. Pétersburg 7(2):97-214.
4. Lindström G. 1884. On the Silurian Gastropoda and Pteropoda of Gotland. Stockholm, 250 pp. Page 59, plate 19, figure 3-4.
5. Angelin N. P. & Lindström G. 1880. Fragmenta Silurica e dono Caroli Henrici Wegelin. Opus studio Nicolai Petri Angelin Inchoatum Jussu et Impensis Academiae Regiae Scientarum Suecicae. Samson & Wallin (Holmiae), 60 pp. Page 16, plate 2, figure 10-15.