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IRMNG taxon detailsNeantia Lebesconte, 1887 †
marine,
fossil only
Lebesconte, P. (1887). Constitution générale du Massif Breton compare à celle du Finisterre. <em>Bulletin de la Société Géologique de France.</em> 14: 776-820., available online at https://www.biodiversitylibrary.org/page/47255362 [details]
Taxonomic remark Ichnogenus, comprising "wrinkle-like structures". Originally described as a fossil sponge; a pseudofossil according to...
Taxonomic remark Ichnogenus, comprising "wrinkle-like structures". Originally described as a fossil sponge; a pseudofossil according to Häntzschel, 1975, but accepted as a trace fossil by Retallack & Broz, 2020. These authors state: Neantia rhedonensis is similar to skeins of cyanobacterial mats seen in modern dried ponds and creeks (Retallack 2012), and the three-dimensional shape of the one figured here is like a microbial mat rollup (Beraldi-Campesi and Garcia-Pichel 2011). This rollup form is evidence against Cloud’s (1968) opinion that Neantia was a ripple mark. Seilacher (2007) illustrates an example under a carbonaceous film which he interprets as a microbial mat. Lebesconte (1887) considered it was a colonial animal, perhaps hydroid or cnidarian. [details]
IRMNG (2024). Neantia Lebesconte, 1887 †. Accessed at: https://irmng.org/aphia.php?p=taxdetails&id=11914617 on 2024-11-04
Date action by
original description
Lebesconte, P. (1887). Constitution générale du Massif Breton compare à celle du Finisterre. <em>Bulletin de la Société Géologique de France.</em> 14: 776-820., available online at https://www.biodiversitylibrary.org/page/47255362 [details]
basis of record Häntzschel, W. (1975). Miscellanea Supplement 1. Trace fossils and Problematica, second edition. In Treatise on Invertebrate Paleontology, Part W., Edited by: Moore, R. C. W1–W269. New York and Lawrence: Geological Society of America and University of Kansas. note: as pseudofossil, however accepted as an ichnogenus (trace fossil) by Retallack & Broz, 2020. [details] verified source for family Retallack, G. J.; Broz, A. P. (2020). <i>Arumberia</i> and other Ediacaran–Cambrian fossils of central Australia. <em>Historical Biology.</em> 33(10): 1964-1988., available online at https://doi.org/10.1080/08912963.2020.1755281 [details] name verified source Häntzschel, W. (1975). Miscellanea Supplement 1. Trace fossils and Problematica, second edition. In Treatise on Invertebrate Paleontology, Part W., Edited by: Moore, R. C. W1–W269. New York and Lawrence: Geological Society of America and University of Kansas. [details] current name source Retallack, G. J.; Broz, A. P. (2020). <i>Arumberia</i> and other Ediacaran–Cambrian fossils of central Australia. <em>Historical Biology.</em> 33(10): 1964-1988., available online at https://doi.org/10.1080/08912963.2020.1755281 [details] extant flag source Häntzschel, W. (1975). Miscellanea Supplement 1. Trace fossils and Problematica, second edition. In Treatise on Invertebrate Paleontology, Part W., Edited by: Moore, R. C. W1–W269. New York and Lawrence: Geological Society of America and University of Kansas. [details] Unreviewed
Taxonomic remark Ichnogenus, comprising "wrinkle-like structures". Originally described as a fossil sponge; a pseudofossil according to Häntzschel, 1975, but accepted as a trace fossil by Retallack & Broz, 2020. These authors state: Neantia rhedonensis is similar to skeins of cyanobacterial mats seen in modern dried ponds and creeks (Retallack 2012), and the three-dimensional shape of the one figured here is like a microbial mat rollup (Beraldi-Campesi and Garcia-Pichel 2011). This rollup form is evidence against Cloud’s (1968) opinion that Neantia was a ripple mark. Seilacher (2007) illustrates an example under a carbonaceous film which he interprets as a microbial mat. Lebesconte (1887) considered it was a colonial animal, perhaps hydroid or cnidarian. [details]
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