†Isorthis crassa Lindström 1861 (lamp shell)
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Rhynchonellata - Orthida - Dalmanellidae
Alternative combination: Orthis crassa
Belongs to Isorthis according to M. Rubel 2011
See also Bassett and Cocks 1974
Sister taxa: Isorthis (Arcualla), Isorthis (Isorthis), Isorthis (Ovalella), Isorthis (Protocortezorthis), Isorthis alpha, Isorthis bailyi, Isorthis estona, Isorthis festiva, Isorthis loveni, Isorthis mediocra, Isorthis parvulus, Isorthis pygmaea, Isorthis slitensis
Ecology: stationary epifaunal suspension feeder
Distribution:
• Jaani of Estonia (2 collections)
• Silurian of Estonia (1), Latvia (1), Lithuania (4), Sweden (2), Ukraine (1)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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