Trilobita - Proetida - Proetidae
Alternative combination: Orbitoproetus (Helmutia) rissanensis
Full reference: R. Feist and B. Orth. 2000. Trilobites de la limite Eifélien/Givétien de la région stratotypique (Tafilalet, Maider, Maroc). Proceedings of the Subcommission on Devonian Stratigraphy (SDS)–IGCP 421 Morocco Meeting 20:78-91
Belongs to Helmutia according to V. Bault et al. 2021
See also Feist and Orth 2000
Sister taxa: none
Type specimen: Its type locality is Djebel Mech Irdane. Banc 127, which is in a Givetian shallow subtidal limestone in the Bou Tchrafine Formation of Morocco.
Ecology: fast-moving low-level epifaunal deposit feeder
Distribution:
• Devonian of Morocco (3 collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.