Trilobita - Phacopida - Pliomeridae
Synonyms: Hammatocnemis Kielan 1960, Paratzuchiatocnemis Wu and Xia 1990, Tzuchiatocnemis Sheng 1974
Parent taxon: Hammatocneminae according to Z. Q. Zhou and Z. Y. Zhou 2019
See also Jell and Adrain 2002, Kielan-Jaworowska et al. 1991, Sepkoski 2002, Zhou et al. 1998 and Zhou et al. 2014
Sister taxa: none
Subtaxa: Ovalocephalus eoprimitivus Ovalocephalus kanlingensis Ovalocephalus kelleri Ovalocephalus tetrasulcatus
Type: Ovalocephalus kelleri
Ecology: fast-moving low-level epifaunal carnivore
Distribution:
• Arenig of China (4 collections)
• Arenigian of China (10)
• Dawan of China (2)
• Ordovician of China (70), Iran (2), Italy (2), Spain (4)
Total: 94 collections including 104 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.