Strophomenata - Orthotetida - Derbyiidae
Alternative combinations: Derbya crassa, Orthisina crassa
Synonym: Orthisina umbraculum Swallow 1858
Full reference: F. B. Meek and F.V. Hayden. 1858. Remarks oon the Lower Cretaceous beds of Kansas and Nebraska, together with descriptions of some new species of Carboniferous fossils from the valley of Kansas River. Proceedings of the Academy of Natural Sciences, Philadelphia 1858:256-264
Belongs to Derbyia according to T. Shintani 2011
See also Branson 1948, Girty 1915, Hoare 1961, Lee et al. 1938, Meek and Hayden 1858, Mudge et al. 1962 and Tschernyschew 1902
Sister taxa: Derbya bennetti, Derbya robusta, Derbyia achengensis, Derbyia acutangula, Derbyia acutiplicata, Derbyia altestriata, Derbyia arellanoi, Derbyia arizonensis, Derbyia auriplexa, Derbyia baroghilensis, Derbyia bella, Derbyia bilobata, Derbyia buchi, Derbyia buriensis, Derbyia carteri, Derbyia cincinnata, Derbyia complicata, Derbyia crenulata, Derbyia cymbula, Derbyia daliangensis, Derbyia deltauriculata, Derbyia dirata, Derbyia diversa, Derbyia dorsoplana, Derbyia dorsosulcata, Derbyia duomaensis, Derbyia dupliciseptata, Derbyia elevata, Derbyia elongata, Derbyia expansa, Derbyia exserta, Derbyia filosa, Derbyia gigantea, Derbyia grandis, Derbyia guidingensis, Derbyia hardmani, Derbyia haroubi, Derbyia hemisphaerica, Derbyia hooserensis, Derbyia informis, Derbyia laqueata, Derbyia lotanggangensis, Derbyia magnus, Derbyia metzi, Derbyia mongolica, Derbyia multicostellatus, Derbyia mutabilis, Derbyia nasuta, Derbyia nigpi, Derbyia nipponica, Derbyia otoeis, Derbyia pannucia, Derbyia pannuciella, Derbyia pararegularis, Derbyia parasitica, Derbyia perplexus, Derbyia plicatella, Derbyia postplicatella, Derbyia profunda, Derbyia regis, Derbyia regularis, Derbyia rudicula, Derbyia sakamotozawensis, Derbyia schellwieni, Derbyia scitula, Derbyia scobina, Derbyia senbaensis, Derbyia simplicis, Derbyia speciosa, Derbyia striolata, Derbyia strophomenoidea, Derbyia subaurita, Derbyia subsinuata, Derbyia sulca, Derbyia sulcata, Derbyia sultanensis, Derbyia texta, Derbyia vercherei, Derbyia waageni, Derbyia wabaunseensis, Derbyia yeerqiangensis, Derbyia yongjiensis, Derbyia yukisawensis, Derbyia (Plicatoderbyia) aemula, Pseudoderbyia netschajewi
Subtaxa: Orthisina umbraculum multistriata
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Japan (2 collections), United States (2: Kansas)
• Virgilian of United States (15: Illinois, Maryland, Ohio, Texas)
• Desmoinesian of United States (55: Kansas, Missouri, Oklahoma, Pennsylvania)
• Atokan of United States (1: Missouri)
• Carboniferous of United States (82: Arizona, Kansas, Kentucky, Maryland, Nebraska, Nevada, New mexico, Ohio, Pennsylvania, Texas, Utah)
Total: 157 collections including 158 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.