Ptychomaletoechia Sartenaer 1961 (lamp shell)

Rhynchonellata - Rhynchonellida - Trigonirhynchiidae

Parent taxon: Hemitoechiinae according to A. Williams et al. 2002

See also Cooper and Dutro 1982, Jin and Chatterton 1997 and Sepkoski 2002

Sister taxa: Bathyrhyncha, Browneella, Dalerhynchus, Dushanirhynchia, Hemitoechia, Lenatoechia, Libyaerhynchus, Losvia, Luterella, Nymphorhynchia, Pampoecilorhynchus, Paurogastroderhynchus, Sartenaerus, Tabarhynchus, Yanetechia

Subtaxa: Ptychomaletoechia qabdoensis

View classification

Ecology: stationary epifaunal suspension feeder


• Carboniferous of China (2 collections)

• Devonian to Carboniferous of China (1)

• Devonian of Canada (3: Alberta), China (3), Germany (8), Iran (7), Morocco (1), Poland (3), the United Kingdom (2), United States (2: Nevada)

Total: 32 collections including 52 occurrences

Show more details

Specimen images are retrieved through the ePANDDA API.

Click image to enlarge. Click to access iDigBio record.