Silicified Carboniferous (Chesterian) Brachiopoda of the Arco Hills Formation, Idaho

S. H. Butts

2007

Article

Journal of Paleontology 81(1):48-63

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Taxa discussed in this work:

• Anthracospirifer arcoensis
• Anthracospirifer leidyi
• Anthracospirifer shawi
• Composita idahoensis
• Composita sigma
• Composita subquadrata
• Diaphragmus nivosus
• Orbiculoidea wyomingensis
• Punctospirifer transversus
• Werriea australis

Taxonomy:

• Orbiculoidea wyomingensis belongs to Orbiculoides - Branson and Greger (1918)
• Werriea australis belongs to Werriea - Campbell (1957)
• Schizophoria depressa belongs to Schizophoria - Easton (1962)
• Pugnoides quinqueplecis belongs to Pugnoides - Easton (1962)
• Punctospirifer transversus belongs to Punctospirifer - Easton (1962)
• Anthracospirifer occiduus belongs to Anthracospirifer - Lane (1964)
• Eolissochonetes pseudoliratus belongs to Eolissochonetes - Gordon (1975)
• Diaphragmus nivosus belongs to Diaphragmus - Gordon (1975)
• Composita sigma belongs to Composita - Gordon (1975)
• Composita subquadrata belongs to Composita - Gordon (1975)
• Anthracospirifer curvilateralis belongs to Anthracospirifer - Gordon (1975)
• Anthracospirifer shawi belongs to Anthracospirifer - Gordon (1975)
• Anthracospirifer leidyi belongs to Anthracospirifer - Henry and Gordon (1992)
• Composita idahoensis belongs to Composita - Butts (2007)
• Anthracospirifer arcoensis belongs to Anthracospirifer - Butts (2007)