Strophomenata - Productida - Productidae
Alternative combinations: Avonia porrecta, Buxtonia porrecta, Productus (Buxtonia) porrectus, Productus porrecto, Productus porrectus
Synonyms: Kochiproductus freboldi Stepanov 1937, Productus (Buxtonia) freboldi Stepanov 1937, Productus freboldi Stepanov 1937
Belongs to Kochiproductus according to G. R. Shi et al. 2022
See also Buddington and Chapin 1929, Chao 1931, Cooper 1957, Diener 1915, Frebold 1942, Gobbett 1963, Harker 1960, Kalashnikov 1993, Kashirtsev 1959, Lee and Gu 1980, Mansuy 1913, Shi and Waterhouse 1996, Tschernyschew 1902, Tschernyschew and Stepanow 1916, Ustritsky and Chernyak 1963 and Zhang and Jin 1976
Sister taxa: Kochiproductus afghanus, Kochiproductus carboniferous, Kochiproductus elongatus, Kochiproductus longlinensis, Kochiproductus maximus, Kochiproductus occidentalis, Kochiproductus okutadamiensis, Kochiproductus peruvianus, Kochiproductus plexicostatus, Kochiproductus primitivus, Kochiproductus quadratus, Kochiproductus riojanus, Kochiproductus saranaeanus, Kochiproductus sinensis, Kochiproductus sultanaevi, Kochiproductus tianchiensis, Kochiproductus transversus, Kochiproductus victorioensis
Distribution:
• Permian of Canada (25: British Columbia, Nunavut, Yukon collections), China (6), Greenland (1), Laos (1), the Russian Federation (4), Svalbard and Jan Mayen (1), United States (9: Alaska, Oregon)
• Carboniferous of United States (2: Alaska)
Total: 49 collections including 50 occurrences
Specimen images are retrieved through the ePANDDA API.
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