Spirifer opimus Hall 1858 (lamp shell)

Rhynchonellata - Spiriferida - Spiriferidae

Full reference: J. Hall. 1858. Palaeontology of Iowa. Report of the Geological Survey of the state of Iowa 1(2):473-724

Belongs to Spirifer according to R. D. Hoare 1961

See also Chronic 1953, Dunbar and Condra 1932, Elias 1957 and Hall 1858

Sister taxa: Spirifer (Spirisosium), Spirifer acutiplicatus, Spirifer albertensis, Spirifer bambadhurensis, Spirifer baschkirica, Spirifer battu, Spirifer battus, Spirifer bistritzae, Spirifer bisulcatus, Spirifer brandis, Spirifer byrangi, Spirifer cascadensis, Spirifer centronatus, Spirifer chappelensis, Spirifer concentricus, Spirifer crebristria, Spirifer dichotomus, Spirifer distefanii, Spirifer duodecimcostata, Spirifer dvinaensis, Spirifer enderlei, Spirifer engelgardthi, Spirifer fayettevillensis, Spirifer gregeri, Spirifer holodnensis, Spirifer incertus, Spirifer insignis, Spirifer jilinensis, Spirifer liangchowensis, Spirifer lirellus, Spirifer macrus, Spirifer malistanensis, Spirifer munsteri, Spirifer octoplicatus, Spirifer pentagonoides, Spirifer pentlandi, Spirifer piassinaensis, Spirifer postventricosus, Spirifer pseudotasmaniensis, Spirifer rakuszi, Spirifer rariplectus, Spirifer rockymontanus, Spirifer schellwieni, Spirifer siculus, Spirifer spitiensis, Spirifer spurius, Spirifer subgrandiformis, Spirifer subtrigonalis, Spirifer supracarbonicus, Spirifer supramosquensis, Spirifer tareiaensis, Spirifer undata, Spirifer uralicus

Ecology: stationary epifaunal suspension feeder

Distribution:

• Desmoinesian of United States (5: Missouri collections)

• Atokan of United States (1: Missouri)

• Carboniferous of Peru (4), United States (5: Nevada, Ohio, Oklahoma)

• Mississippian of United States (1: Utah)

Total: 16 collections including 17 occurrences

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Specimen images are retrieved through the ePANDDA API.


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