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Journal Article
Published: 09 August 2017
Journal of Paleontology (2017) 91 (5): 911–918.
... the taxonomic validity of many smooth-shelled pentamerids has been a matter of debate. In North America, some large-shelled forms of late Telychian–Wenlock age, such as Apopentamerus and Pentamerus ( Supertrilobus ) proposed by Boucot and Johnson ( 1979 ), have not been studied in detail regarding...
Journal Article
Journal: PALAIOS
Published: 01 April 2000
PALAIOS (2000) 15 (2): 112–119.
...., Plectodonta sp. 10— Leptaena depressa (Sowerby). 12— Protomegastrophia profunda (Hall). 13— Coolinia subplana (Conrad). 15— Anastrophia internascens Hall, Antirhynchonella ventricosa (Hall), Parastrophinella multiplicata (Hall & Clarke). 16— Apopentamerus racinensis Boucot & Johnson...
FIGURES | View All (8)
Journal Article
Journal: AAPG Bulletin
Published: 01 January 1980
AAPG Bulletin (1980) 64 (1): 115–131.
... Kindle & Breger S Articulate brachiopods: Sp. indet. I Apopentamerus? sp. I Crinoids: Atrypa sp. I   Atrypa cf. A. reticularis(Hall) I Calliocrinus cornutus(Hall) B&M Conchidium sp. S C. cornutus excavatus(Hall) B&M C. cf. C. biolularis Linnaeus I Crotalocrinus cora...
FIGURES | View All (8)