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Gyronites frequens

Cephalopoda - Ceratitida - Gyronitidae

Taxonomy
Gyronites frequens was named by Waagen (1895). It is a 3D body fossil. Its type locality is West of Khoora, lowest beds of Lower Ceratite Limestone, Salt Range, which is in a Dienerian carbonate limestone in the Lower Ceratite Limestone Formation of Pakistan.

Sister species lacking formal opinion data
G. plicatilis, G. separatus, G. undatus

Synonyms
Synonymy list
YearName and author
1895Lecanites psilogyrus Waagen p. 280 figs. Pl 39, fig 5
1895Lecanites undatus Waagen p. 281 figs. Pl 38, figs 1,2
1895Gyronites frequens Waagen p. 292 figs. Pl 38, figs 1,2
1895Gyronites nangaensis Waagen p. 297 figs. Pl 37, fig 5
1895Prionolobus compressus Waagen p. 313 figs. Pl 35, fig 3
1895Prionolobus plicatus Waagen p. 315 figs. Pl 35, fig 2
1895Prionolobus plicatilis Waagen p. 318 figs. Pl 36, fig 1
1909Xenodiscus khoorensis Krafft and Diener
1909Xenodiscus lilangensis von Krafft
1934Gyronites frequens Spath
1934Gyronites nangaensis Spath
1934Gyronites psilogyrus Spath
1962Xenodiscus khoorensis Tozer
1996Gyronites spiralis Waterhouse
2008Gyronites frequens Brühwiler et al. p. 1168 figs. Pl 5, figs 7,8
2018Gyronites frequens Ware and Bucher
2023Gyronites frequens Dai et al. fig. 13C
2025Gyronites frequens Jenks et al. p. 13 figs. 8A-X

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderCeratitidaHyatt 1884
superfamilyMeekocerataceaeWaagen 1895
familyGyronitidaeWaagen 1895
genusGyronites
speciesfrequens

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Gyronites frequens Waagen 1895
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Invalid names: Gyronites nangaensis Waagen 1895 [synonym], Gyronites spiralis Waterhouse 1996 [synonym], Lecanites psilogyrus Waagen 1895 [synonym], Lecanites undatus Waagen 1895 [synonym], Prionolobus compressus Waagen 1895 [synonym], Prionolobus plicatilis Waagen 1895 [synonym], Prionolobus plicatus Waagen 1895 [synonym], Xenodiscus khoorensis Krafft and Diener 1909 [synonym], Xenodiscus lilangensis von Krafft 1909 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height1813.47.6022.014.53.94
shell diameter1835.715.859.038.612.2
shell inflation1812.23.4021.013.75.51

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:33:06
Modified: 2005-10-06 16:36:47
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: Dienerian or 250.50000 to 249.90000 Ma

Collections (24 total)


Time interval Ma Country or state Original ID and collection number
Dienerian250.5 - 249.9India (Himachal Pradesh) Gyronites frequens (217564 217601 217610 217611 217613)
Dienerian250.5 - 249.9China (Xizang) Gyronites frequens (229731)
Dienerian250.5 - 249.9Pakistan Gyronites frequens (102304 102305 102318 215004) Gyronites frequens, Lecanites psilogyrus (type locality: 143631) Gyronites nangaensis, Prionolobus compressus (143845) Lecanites undatus (143840 143841) Prionolobus plicatilis (143827) Prionolobus plicatus (143849)
Dienerian250.5 - 249.9Pakistan (Punjab) Gyronites frequens (217481 217482 217495 217502 217509)
Dienerian250.5 - 249.9USA (Nevada) Gyronites frequens (238995 238996 238997)