New Upper Cambrian-Tremadoc rhynchonelliformean brachiopods from northwestern Argentina: evolutionary trends and early diversification of plectorthoideans in the Andean Gondwana

J. L. Benedetto

2007

Article

Journal of Paleontology 81(2):261-285

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Taxa discussed in this work:

• Euorthisinidae
• Kvania
• Lesserorthis
• Nanorthidae
• Nanorthis calderensis
• Protorthisina

Taxonomy:

• Protorthisina belongs to Euorthisinidae - Benedetto (2007)
• Lesserorthis belongs to Orthida - Benedetto (2007)
• Nanorthis calderensis belongs to Nanorthis - Benedetto (2007)