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Entolium

Bivalvia - Pectinida - Entoliidae

Taxonomy
Amussium (Entolium) was named by Meek (1865) [Sepkoski's age data: Tr Anis K Maes-u Sepkoski's reference number: 524,790,1066]. Its type is Entolium demissus.

It was reranked as Pecten (Entolium) by Waagen (1907), Frech (1912) and Smith (1927); it was reranked as Entolium by Hayami (1975), Vokes (1980), Yamani (1983), Kelly (1984), Sepkoski (2002), Scholz et al. (2008), Bouchet et al. (2010) and Ros-Franch et al. (2014).

It was assigned to Amussium by Meek (1865); to Pecten by Waagen (1907), Frech (1912) and Smith (1927); to Pectinidae by Kelly (1984); to Pterioida by Sepkoski (2002); to Entoliinae by Yamani (1983) and Bouchet et al. (2010); and to Entoliidae by Hayami (1975), Vokes (1980), Scholz et al. (2008) and Ros-Franch et al. (2014).

Sister taxa
E. (Costentolium), E. (Cteniopleurium), E. (Entolium)

Synonyms
Synonymy list
YearName and author
1865Amussium (Entolium) Meek
1907Pecten (Entolium) Waagen
1912Pecten (Entolium) Frech
1927Pecten (Entolium) Smith p. 121
1975Entolium Hayami
1980Entolium Vokes p. 49
1983Entolium Yamani
1984Entolium Kelly p. 76
2002Entolium Sepkoski
2003Amerinumopecten Kasum-Zadeh
2008Entolium Scholz et al.
2010Entolium Bouchet et al.
2014Entolium Ros-Franch et al.

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
Eubivalvia
subclassAutobranchia(Groblen 1894)
RankNameAuthor
infraclassPteriomorphia(Beurlen 1944)
OstreomorphiFerussac 1822
OstreioniFerussac 1822
OstreataFerussac 1822
superorderOstreiformiiFerussac 1822
orderPectinida(Gray 1854)
suborderEntoliidina
superfamilyEntolioideaTeppner 1922
familyEntoliidaeKorobkov 1960
genusEntolium()

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.

G. †Entolium Meek 1865
show all | hide all
Subg. †Entolium (Costentolium) Freneix 1980
Subg. †Entolium (Cteniopleurium) Feldtmann 1951
Subg. †Entolium (Entolium) Meek 1865
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Entolium (Entolium) corneolum Young and Bird 1828
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Invalid names: Entolium semlini Crickmay 1930 [synonym]
Entolium (Entolium) cornutum Quenstedt 1858
Entolium amerinum Sirna 1968
Entolium callosum Lundgren 1895
Entolium costatum Hyatt 1892
Entolium demissus Phillips 1835
Entolium discites Schlotheim 1820
Entolium equabile Hyatt in Dawson 1895
Entolium fossatum Marwick 1953
Entolium irenense McLearn 1933
Entolium kellneri Kittl 1903
Entolium kolymaense Kiparisova 1947
Entolium lunare Roemer 1839
Entolium mapuche Damborenea 2002
Entolium meeki Hyatt 1892
Entolium membranaceum Nilsson 1827
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Invalid names: Pecten fragilis Defrance 1825 [synonym], Pecten latus Hagenow 1842 [synonym], Pecten plemonectes Faujas 1799 [synonym], Pecten pleuronectes Faujas 1799 [synonym]
Entolium microtis Bittner 1899
Entolium minor Chen 1976
Entolium oebergi Lundgren 1883
Entolium orbiculare Sowerby 1817
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Invalid names: Amusium sulcatellum Stoliczka 1871 [synonym], Chlamys suborbicularis Cayeux 1958 [synonym], Pecten (Amusium) balticus Dames 1874 [synonym], Pecten (Amusium) orbicularis Sowerby 1874 [synonym], Pecten (Entolium) balticus Dames 1885 [synonym], Pecten (Entolium) membranaceus Wanderer 1909 [synonym], Pecten (Entolium) nilssoni Wanderer 1909 [synonym], Pecten (Syncyclonema) orbicularis Sowerby 1902 [synonym], Pecten calypso Orbigny 1850 [synonym], Pecten darius Orbigny 1882 [synonym], Pecten germanicus Wollemann 1900 [synonym], Pecten laminosus Mantell 1822 [synonym], Pecten losseriensis Vogel 1900 [synonym], Pecten neptuni Orbigny 1850 [synonym], Pecten sublaminosus Favre 1869 [synonym], Syncyclonema sublaminosa Favre 1869 [synonym]
Entolium piriformis Liu 1976
Entolium reticulatum Friesenbichler et al. 2019
Entolium solidum Roemer 1836
Entolium subdemissum Muenster 1841
Entolium utukokense Imlay 1961
Invalid names: Amerinumopecten Kasum-Zadeh 2003 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height1428.67.0448.034.012.2
valve height1812.10.67237.718.411.0

Composition: low Mg calcitef
Composition 2: aragonitef
Environment: marineo
Locomotion: facultatively mobilesubg
Life habit: epifaunalsubg
Diet: suspension feedersubg
Vision: limitedf
Created: 2004-02-29 16:58:42
Modified: 2004-02-29 18:58:42
Source: subg = subgenus, f = family, o = order
References: Kiessling 2004, Aberhan et al. 2004

Age range: base of the Capitanian to the top of the Pliocene or 265.10000 to 2.58800 Ma

Collections (1319 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Capitanian265.1 - 259.9China (Guangdong) Pernopecten piriformis (113865)
Capitanian265.1 - 259.9Malaysia E. sp. (42734)
Wuchiapingian259.9 - 254.17China (Guangdong) Pernopecten piriformis (123591)
Wuchiapingian259.9 - 254.17China (Qinghai) Pernopecten piriformis (112859 112861)
Wuchiapingian259.9 - 254.17China (Jiangxi) Pernopecten piriformis (102114 102115)
Wuchiapingian259.9 - 254.17China (Hubei) Pernopecten piriformis (123593)
Changhsingian254.17 - 252.17China (Guizhou) E. piriformis (121007) Pernopecten piriformis (111980 112097)
Changhsingian254.17 - 252.17China (Fujian) E. piriformis (121403 121406 121427)
Changhsingian254.17 - 252.17Hungary E. piriformis (82283)
Changhsingian254.17 - 252.17China (Yunnan) E. piriformis (108196)

Youngest occurrences

Time interval Ma Country or state PBDB collection number
Maastrichtian72.1 - 66.0Ukraine E. membranaceum (1334)
Maastrichtian72.1 - 66.0Bulgaria E. membranaceum (1332)
Maastrichtian72.1 - 66.0New Zealand E. membranaceum (1341)
Maastrichtian72.1 - 66.0Kazakhstan E. membranaceum (1343)
Early/Lower Maastrichtian70.6 - 66.0Antarctica E. sp. (83550 83551)
Late/Upper Maastrichtian70.6 - 66.0USA (Texas) E. sp. (5554 5558)
Late/Upper Maastrichtian70.6 - 66.0Antarctica (Seymour Island) E. sp. (3166)
Late/Upper Maastrichtian70.6 - 66.0Poland E. membranaceum (27818 27822 28078 28080)
Late/Upper Maastrichtian70.6 - 66.0Argentina (Neuquén) E. membranaceum (73882 73883 73951 73952 73953 73954 73955 73956 73957 73958 73959 73960 73961 73962 73963 73964 73997)
Pliocene5.333 - 2.588Papua New Guinea Pecten pleuronectes (78263)