†Hexiproductus echidniformis Grabau 1925
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Strophomenata - Productida - Paucispiniferidae
Alternative combinations: Avonia echidniformis, Breileenia echidniformis
Belongs to Hexiproductus according to J. I. Tazawa and H. Araki 2017
See also Chen and Shi 2002, Chen and Shi 2006, Li et al. 1986, Nakamura 1959 and Tazawa and Nakamura 2015
Sister taxa: none
Distribution:
• Permian of China (6 collections), Japan (4)
• Carboniferous of China (1)
Total: 11 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
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