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Traits taxon detailsCyrtiidae Frederiks, 1924 †
marine,
fossil only
Fredericks, G. N. (1924). Paleontological Notes. 2. On Upper Carboniferous spiriferids from the Urals [in Russian]. <em>Izvestiâ Geologičeskogo Komiteta.</em> 38: 295-324. [details]
Traits (2025). Cyrtiidae Frederiks, 1924 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1697886 on 2025-05-13
Marine Species Traits editorial board (2025). Marine Species Traits. Cyrtiidae Frederiks, 1924 †. Accessed at: https://www.marinespecies.org/traits/aphia.php?p=taxdetails&id=1697886 on 2025-05-13
Date action by
original description
Fredericks, G. N. (1924). Paleontological Notes. 2. On Upper Carboniferous spiriferids from the Urals [in Russian]. <em>Izvestiâ Geologičeskogo Komiteta.</em> 38: 295-324. [details]
taxonomy source Waterhouse, J. B. (2016). On the evolution and classification of Spiriferida (Brachiopoda). <em>Earthwise.</em> 14: 1-434. [details] Available for editors  basis of record Treatise on Invertebrate Paleontology. (1997-2007). Part H revised, Brachiopoda. <em>Geological Society of America, Boulder; and University of Kansas Press, Lawrence,.</em> vol. 1-6. [details] |
