Helcionelloida - Helcionellida - Stenothecidae
Alternative combinations: Anabarella indecora, Mellopegma indecorum
Full reference: A. Y. Rozanov, V. V. Missarzhevsky, N. A. Volkova, L. G. Voronova, I. N. Krylov, B.M. Keller, I. K. Korolyuk, K. Lendzion, R. Mikhnyar, N. G. Pykhova, and A. D. Sidorov. 1969. Tommotskiu jarus i problema nizhney granisty kembriya [The Tommotian Stage and the Cambrian lower Boundary problem]. Trudy Geoligske Institut Leningrad 206:1-379
Belongs to Mellopegma according to P. J. Wagner 2023
See also Hinz 1987, Matthews and Missarzhevsky 1975, Missarzhevsky 1989, Rozanov et al. 1969 and Vendrasco et al. 2011
Sister taxa: Mellopegma georginensis, Mellopegma schizocheras, Mellopegma uslonica
Type specimen: GIN 3593/96, a shell
Distribution:
• Cambrian of the Russian Federation (7 collections), the United Kingdom (2)
Total: 9 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.