Trilobita - Trinucleida - Trinucleidae
Synonym: Smeathenia Dean 1960
Parent taxon: Trinucleidae according to P. A. Jell and J. M. Adrain 2002
See also Sepkoski 2002
Sister taxa: Anebolithus, Auritolithus, Bergamia, Bettonolithus, Botrioides, Costonia, Cryptolithinae, Cryptolithoides, Cryptolithus, Deanaspis, Decordinaspis, Eirelithus, Famatinolithus, Furcalithus, Guandacolithus, Gymnostomix, Hanchungolithinae, Hanchungolithus, Incaia, Jianxilithus, Lloydolithus, Lordshillia, Marekolithus, Marrolithinae, Marrolithoides, Marrolithus, Microdiscus, Myinda, Myindella, Myttonia, Nankinolithus, Ningkianolithus, Novaspis, Onnia, Paratretaspis, Paratrinucleus, Parkesolithus, Protolloydolithus, Reedolithus, Reuscholithus, Stapeleyella, Telaeomarrolithus, Tretaspidinae, Trinucleinae, Trinucleus, Whittardolithus, Xiushuilithus, Yinpanolithus
Subtaxa: none
Ecology: fast-moving low-level epifaunal suspension feeder
Distribution:
• Ordovician of the United Kingdom (1 collection), Venezuela (1)
Total: 2 collections including 3 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.