Trilobita - Ptychopariida - Shumardiidae
Synonyms: Akoldinioidia Zhou and Zhang 1984, Eoshumardia Hupe 1953
Full reference: T. Kobayashi. 1931. Studies on the stratigraphy and palaeontology of the Cambro-Ordovician Formation of Hua-lien-chai and Niu-hsin-tai, South Manchuria. Japanese Journal of Geology and Geography 8(3):131-189
Parent taxon: Shumardiidae according to P. A. Jell and J. M. Adrain 2002
See also Peng 1992, Robison and Pantoja-Alor 1968, Sepkoski 2002 and Zhu and Peng 2006
Sister taxa: Acanthopleurella, Changchowilla, Conophrys, Kweichowilla, Leioshumardia, Leoforteyia, Liriamnica, Shumardia, Shumardoella, Shumardops, Tarimella
Subtaxa: Akoldinioidia dydimacantha Akoldinioidia sulcatus Akoldinioidia trapezoidalis Eoshumardia cylindrica Koldinioidia (Liriamnica) Koldinioidia orientalis Koldinioidia pustulosa Koldinioidia typicalis
Type: Koldinioidia typicalis
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Tremadoc of Bolivia (1 collection), Mexico (1)
• Taoyuanian of China (2)
• Cambrian of Australia (15), China (12), Kazakhstan (4), South Korea (1), Vietnam (1)
Total: 37 collections including 40 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.