Tergomya - Cyrtonellida - Carcassonnellidae
Alternative combination: Gamadiscus courtessolei
Full reference: E. L. Yochelson. 1982. Mollusques monoplacopheres et gastropodes. Brachiopodes (Articules) et Mollusques (Bivalves, Rostroconches, Monoplacophores, Gastropodes) de L'Ordovicien Inferieur (Tremadocien - Arenigien) de la Montagne Noire (France Meridionale) 51-63
Belongs to Carcassonnella according to P. J. Wagner 2023
See also Horný 1997, Horný and Peel 1996 and Yochelson 1982
Sister taxa: Carcassonnella multilineata, Carcassonnella pragensis, Carcassonnella vizcainoi
Ecology: slow-moving low-level epifaunal grazer
Distribution:
• Arenig of France (2 collections), Morocco (2)
• Ordovician of France (4), Morocco (5)
Total: 13 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.