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Pernopecten symmetricus

Bivalvia - Pectinida - Entoliidae

Taxonomy
Pernopecten symmetricus was named by Newell (1940). Its type specimen is YPM 16328 and is a mold.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1940Pernopecten symmetricus Newell p. 294 figs. Pl 2, figs 9,10
1977Pernopecten symmetricus Zhang p. 518 figs. Pl 199, figs 7,8
1983Pernopecten symmetricus Yin p. 367 figs. Pl 33, figs 11,12

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

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.

Pernopecten symmetricus Newell 1940
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Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
valve height418.711.932.118.08.73

Composition: low Mg calcitef
Composition 2: aragonitef
Environment: marineo
Locomotion: facultatively mobilef
Life habit: epifaunalo
Diet: suspension feedero
Vision: limitedf
Created: 2007-10-05 04:59:44
Modified: 2010-02-19 03:36:00
Source: f = family, o = order
Reference: Kiessling 2004

Age range: base of the Capitanian to the top of the Changhsingian or 265.10000 to 252.17000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Capitanian265.1 - 259.9USA (Texas) Pernopecten symmetricus (116645 116650)
Capitanian265.1 - 259.9China (Guangdong) Pernopecten symmetricus (113864 113865)
Wuchiapingian259.9 - 254.17China (Guizhou) Pernopecten symmetricus (112001 112105)
Wuchiapingian259.9 - 254.17China (Hubei) Pernopecten symmetricus (123593)
Wuchiapingian259.9 - 254.17China (Hunan) Pernopecten symmetricus (107820 107826)
Changhsingian254.17 - 252.17China (Guizhou) Pernopecten symmetricus (108543 112091 121412)
Changhsingian254.17 - 252.17China (Fujian) Pernopecten symmetricus (121408)