Gastropoda - Euomphalina - Helicotomidae
Alternative combinations: Euomphalus obtusangulus, Straparollus (Euomphalus) obtusangulus
Synonyms: Euomphalus gradata Koken 1896, Euomphalus laminosus Koken 1897, Helicotoma gradata Koken 1896, Helicotoma immigrata Koken and Perner 1925, Palaeomphalus gradata Koken 1896, Palaeomphalus immigrata Koken and Perner 1925, Palaeomphalus laminosus Koken 1897
Full reference: N.P. Angelin and G. Lindström. 1880. Fragmenta Silurica e dono Caroli Henrici Wegelin. Opus studio Nicolai Petri Angelin Inchoatum Jussu et Impensis Academiae Regiae Scientarum Suecicae 1-60
Belongs to Palaeomphalus according to P. J. Wagner 2023
See also Angelin and Lindström 1880, Ebbestad and Peel 1997, Koken 1897, Koken and Perner 1925, Wagner 1999 and Yochelson 1963
Sister taxa: Palaeomphalus glabra, Palaeomphalus olsoni
Ecology: stationary epifaunal suspension feeder
Distribution:
• Ordovician of Estonia (3 collections), Norway (1), Sweden (3), the United Kingdom (1)
Total: 8 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.