Rhynchonellata - Orthida - Orthidae
Alternative combination: Orthis caliactis
Belongs to Orthis according to V. Jaanusson and M. G. Bassett 1993
See also Tjernvik and Johansson 1980
Sister taxa: Orthis (Finkelnburgia), Orthis (Orusia), Orthis acuminata, Orthis australis, Orthis berthoisi, Orthis biforata, Orthis biloba, Orthis bilobata, Orthis christianae, Orthis cypha, Orthis davidsoni, Orthis expansa, Orthis intercostata, Orthis kreklingensis, Orthis laticostata, Orthis perveta, Orthis piger, Orthis reversa, Orthis ribeiroi, Orthis spinigera, Orthis subalata, Orthis testudinaria, Orthis tulliensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Silurian of Brazil (1 collection)
• Volkhov of Estonia (2), the Russian Federation (6)
• Valaste of Estonia (4)
• Hunderum of the Russian Federation (1), Sweden (3)
• Arenig of the United Kingdom (3)
• Ordovician of Estonia (3), the Russian Federation (19), Sweden (4)
Total: 46 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.