Rhynchonellata - Athyridida - Athyrididae
Alternative combinations: Athyrella derbyi, Spirigerella derbyii
Full reference: W. Waagen. 1883. Productus Limestone Fossils, Part IV, fas. 2. Salt Range Fossils, Palaeontologia Indica, Series 13 1(4):391-546
Belongs to Spirigerella according to Y. Zeng et al. 1995
See also Diener 1897, Diener 1897, Diener 1903, Diener 1911, Diener 1915, Grunt 1980, Grunt 1986, Reed 1944, Renz 1912 and Waagen 1883
Sister taxa: Spirigerella alata, Spirigerella alataeformis, Spirigerella bellistriata, Spirigerella discors, Spirigerella fusiformis, Spirigerella gigas, Spirigerella grandis, Spirigerella heibayideensis, Spirigerella media, Spirigerella mendungensis, Spirigerella minuta, Spirigerella numismalis, Spirigerella obovata, Spirigerella ovoidalis, Spirigerella paraliensis, Spirigerella pertumida, Spirigerella praelonga, Spirigerella proxima, Spirigerella rectimarginata, Spirigerella subtriangularis, Spirigerella subtriquetra, Spirigerella teseroi, Athyrella hybrida
Subtaxa: Spirigerella derbyi roxanae Spirigerella derbyi tonkinensis
Ecology: stationary low-level epifaunal suspension feeder
Distribution:
• Permian of Armenia (2 collections), China (5), India (2), Myanmar (1), Pakistan (174)
Total: 184 collections including 186 occurrences
Specimen images are retrieved through the ePANDDA API.
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