Rhynchonellata - Spiriferida - Spiriferidae
Alternative combination: Spirifer (Trigonotreta) opimus
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, Hall 1858 and Meek 1877
Sister taxa: Spirifer (Lamellispirifer), Spirifer acutiplicatus, Spirifer albertensis, Spirifer argentarius, Spirifer baschkirica, Spirifer battu, Spirifer battus, Spirifer bistritzae, Spirifer brandis, Spirifer brazerianus, 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 haydenianus, Spirifer holodnensis, Spirifer incertus, Spirifer increbescens, Spirifer jilinensis, Spirifer liangchowensis, Spirifer lirellus, Spirifer macrus, Spirifer malistanensis, Spirifer mercurii, Spirifer missouriensis, Spirifer munsteri, Spirifer obtusus, Spirifer orthiformis, Spirifer pellaensis, Spirifer pentagonoides, Spirifer pentlandi, Spirifer piassinaensis, Spirifer postventricosus, Spirifer pseudotasmaniensis, Spirifer rakuszi, Spirifer rariplectus, Spirifer rockymontanus, Spirifer schellwieni, Spirifer siculus, Spirifer sol, Spirifer spitiensis, Spirifer spurius, Spirifer striatus, Spirifer subgrandiformis, Spirifer suborbicularis, Spirifer supracarbonicus, Spirifer supramosquensis, Spirifer tareiaensis, Spirifer undata, Spirifer uralicus, Spirifer utahensis, Spirifera convoluta, Spirifera varicosa, Spirifera parryana, Spirifera engelmanni, Spirifera trigonalis, Spirifera schmidti, Spirifera dubia, Spirifera annectans, Spirifera desiderata, Spirifera disjuncta, Spirifera lata, Spirifera neglecta
Ecology: stationary epifaunal suspension feeder
Distribution:
• Carboniferous of Peru (4 collections), United States (12: Missouri, Nevada, Ohio, Oklahoma, Utah)
Total: 16 collections including 17 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.