Grammatodon erectumbona Bird 1968
Year: 2026
Type: article
Abstract: Grammatodon erectumbona Bird, 1968 Original source Bird (1968): 138, pl. 12 figs 12–13, 14a–b. Type stratum and age “Bed ten of Gaptank Formation”; Upper Pennsylvanian, Carboniferous according to Wardlaw & Nestell (2019). Type locality “[USNM] locality 700a – same as locality 700 [2 miles S. 17° E. of Gaptank, 1 1/ 4 miles E. of a point on the Fort Stockton road 2 miles S. of Gaptank, about 23 1/ 2 miles NE of Marathon, Texas] but 1/ 4 mile E. in a small canyon ”, United States of America. Type material Holotype is a BV specimen (USNM PAL 155833; pl. 12 fig. 14a–b). Paratypes are a RV (USNM PAL 155834; pl. 12 fig. 12) and a LV (USNM PAL 155852; pl. 12 fig. 13). All stored at the Smithsonian National Museum of Natural History, Paleobiology Collection, Washington, D.C. Remarks Bird (1968) consistently used a feminine ending for all species of Grammatodon, but the gender of the genus is masculine. The species is named after its “erect broad umbones” (Bird 1968: 138), however the epithet is not formed following Latin grammar; in case of doubt a species name is to be considered a noun in apposition (ICZN 1999, Art. 31.2.2).
Subfield: Paleontology
Field: Earth and Planetary Sciences
Domain: Physical Sciences
Open Access status: gold
OpenAlex ID: W7165201444
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