Subgenus

Atrypoidea (Atrypoidea) Mitchell et Dun, 1920

Aiheeseen liittyvät julkaisut
Copper, P. 2004. Silurian (Late Llandovery-Ludlow) Atrypid Brachiopods from Gotland, Sweden, and Welsh Borderlands, Great Britain. pp. 1-219. DOI:10.1139/9780660190112
Rubel, M., Musteikis, P., Popov, L. 1984. Sistematicheskii spisok brahiopod silura Pribaltiki [Систематический список брахиопод силура Прибалтики]. pp. 1-36. Eesti Teaduste Akadeemia.
Copper, P. 1977. The late Silurian brachiopod genus Atrypoidea. GFF 99, 1, 10-26. DOI:10.1080/11035897709454979
Rubel, M. 1970. Silurian Brachiopods Pentamerida and Spiriferida of Estonia. pp. 1-75. Valgus.
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