Linguliformea: Difference between revisions
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{{Short description| |
{{Short description|Subphylum of brachiopod}} |
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{{More citations needed|date=November 2016}} |
{{More citations needed|date=November 2016}} |
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'''Linguliformea''' is a subphylum of inarticulate [[brachiopod]]s.<ref>{{Cite journal|author=Torres-Martínez,M.A.|author2=Sour-Tovar,F.|year=2016|title=Braquiópodos discínidos (Lingulida, Discinoidea) de la Formación Ixtaltepec, Carbonífero del área de Santiago Ixtaltepec, Oaxaca|url=http://boletinsgm.igeolcu.unam.mx/bsgm/vols/epoca04/6802/(9)Torres.pdf|journal=Boletín de la Sociedad Geológica Mexicana|volume=68|pages=313–321}}</ref> These were the earliest of brachiopods, ranging from the [[Cambrian]] into the [[Holocene]]. They rapidly diversified during the Cambrian into the [[Ordovician]], but most families became extinct by the end of the [[Devonian]]. |
'''Linguliformea''' is a subphylum of inarticulate [[brachiopod]]s.<ref>{{Cite journal|author=Torres-Martínez,M.A.|author2=Sour-Tovar,F.|year=2016|title=Braquiópodos discínidos (Lingulida, Discinoidea) de la Formación Ixtaltepec, Carbonífero del área de Santiago Ixtaltepec, Oaxaca|url=http://boletinsgm.igeolcu.unam.mx/bsgm/vols/epoca04/6802/(9)Torres.pdf|journal=Boletín de la Sociedad Geológica Mexicana|volume=68|issue=2 |pages=313–321|doi=10.18268/BSGM2016v68n2a9 }}</ref> These were the earliest of brachiopods, ranging from the [[Cambrian]] into the [[Holocene]]. They rapidly diversified during the Cambrian into the [[Ordovician]], but most families became extinct by the end of the [[Devonian]]. |
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The articulation in these brachiopods is lacking. These brachiopods have adductor and oblique muscles, but no diductor muscles. The anus is located at the side of the body. The pedicle is a hollow extension of the ventral body wall. Posterior body wall separates dorsal and ventral mantles. |
The articulation in these brachiopods is lacking. These brachiopods have adductor and oblique muscles, but no diductor muscles. The anus is located at the side of the body. The pedicle is a hollow extension of the ventral body wall. Posterior body wall separates dorsal and ventral mantles. |
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{{Reflist}} |
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{{Brachiopod orders}} |
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Latest revision as of 09:40, 12 April 2024
 | This article needs additional citations for verification. (November 2016) |
| Linguliformea Temporal range:
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| Lingula anatina from Stradbroke Island, Australia | |
Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Brachiopoda |
| Subphylum: | Linguliformea Williams et al. 1996 |
| Classes | |
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Linguliformea is a subphylum of inarticulate brachiopods.[1] These were the earliest of brachiopods, ranging from the Cambrian into the Holocene. They rapidly diversified during the Cambrian into the Ordovician, but most families became extinct by the end of the Devonian.
The articulation in these brachiopods is lacking. These brachiopods have adductor and oblique muscles, but no diductor muscles. The anus is located at the side of the body. The pedicle is a hollow extension of the ventral body wall. Posterior body wall separates dorsal and ventral mantles.
The shells are usually made up of apatite (calcium phosphate), however rare cases have calcite or aragonite shells.
See also
[edit]References
[edit]- ^ Torres-Martínez,M.A.; Sour-Tovar,F. (2016). "Braquiópodos discínidos (Lingulida, Discinoidea) de la Formación Ixtaltepec, Carbonífero del área de Santiago Ixtaltepec, Oaxaca" (PDF). Boletín de la Sociedad Geológica Mexicana. 68 (2): 313–321. doi:10.18268/BSGM2016v68n2a9.
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