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IRMNG taxon detailsColeolida †
marine,
fossil only
Not documented
Taxonomic remark Assigned to class Tentaculita in Bouček, 1964; Benton (1993) treats this order simply as "Problematica". Dernov, 2022 treats...
Taxonomic remark Assigned to class Tentaculita in Bouček, 1964; Benton (1993) treats this order simply as "Problematica". Dernov, 2022 treats family Coleolidae as Phylum, Class and Order uncertain. That author states: Problematic fossils Coleolus carbonarius Demanet, 1938 were described from seven localities of the Mospyne Formation (late Bashkirian, Carboniferous) of the central Donets Basin. Many authors attributed these conoidal fossils to various groups of animals, including worms, conulariids, pteropods, hyoliths, tentaculitids, gastropods, scaphopods, and other molluscs without specifying the class, as well as phyllocarids. Representatives of the genus Coleolus cannot belong to the scaphopods because the apex of their tube is closed. The aperture of the tube in living Coleolus is directed upwards, while in scaphopods it is directed downwards. The belonging of Coleolus to pteropods was challenged by previous authors. The assignment of Coleolus to Coniconchia is also incorrect, because the shells of Coniconchia have chambers, which are absent in Coleolidae. The ecological and some morphological characteristics of Coleolus indicate their proximity to sedentary polychaete annelids (Sedentaria) or phoronids (Phoronida). [details]
IRMNG (2024). Coleolida †. Accessed at: https://www.irmng.org/aphia.php?p=taxdetails&id=12691 on 2024-10-30
Date action by
basis of record
Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. [details]
additional source Dernov, V. (2022). Coleolus carbonarius Demanet, 1938 (incertae sedis) from the late Bashkirian (Carboniferous) of the Donets Basin. <em>GEO&BIO.</em> 2022(22): 79-93., available online at https://doi.org/10.15407/gb2207 note: discusses taxonomic placement, refer note [details] taxonomy source Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. [details] current name source Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. [details] extant flag source Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. [details] habitat flag source Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. [details] Unreviewed
Taxonomic remark Assigned to class Tentaculita in Bouček, 1964; Benton (1993) treats this order simply as "Problematica". Dernov, 2022 treats family Coleolidae as Phylum, Class and Order uncertain. That author states: Problematic fossils Coleolus carbonarius Demanet, 1938 were described from seven localities of the Mospyne Formation (late Bashkirian, Carboniferous) of the central Donets Basin. Many authors attributed these conoidal fossils to various groups of animals, including worms, conulariids, pteropods, hyoliths, tentaculitids, gastropods, scaphopods, and other molluscs without specifying the class, as well as phyllocarids. Representatives of the genus Coleolus cannot belong to the scaphopods because the apex of their tube is closed. The aperture of the tube in living Coleolus is directed upwards, while in scaphopods it is directed downwards. The belonging of Coleolus to pteropods was challenged by previous authors. The assignment of Coleolus to Coniconchia is also incorrect, because the shells of Coniconchia have chambers, which are absent in Coleolidae. The ecological and some morphological characteristics of Coleolus indicate their proximity to sedentary polychaete annelids (Sedentaria) or phoronids (Phoronida). [details]
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