A new species of the genus Medfracaulus from the Upper Carboniferous of the Moscow Basin; Morphology and taxonomy and the family Ptychocaulidae (Gastropoda)
Crossref DOI link: https://doi.org/10.1134/S0031030116010068
Published Online: 2016-06-15
Published Print: 2016-05
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Mazaev, A. V.
License valid from 2016-05-01