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Syncyclonema operculiformis

Bivalvia - Pectinida - Entoliidae

Taxonomy
Pecten operculiformis was named by Gabb (1864).

It was recombined as Syncyclonema operculiformis by Anderson (1938); it was recombined as Entolium operculiformis by Murphy (1956).

Sister species lacking formal opinion data
Pecten concentricum

Synonymy list
YearName and author
1864Pecten operculiformis Gabb p. 201 figs. PI. 26, Fig. 188
1938Syncyclonema operculiformis Anderson p. 109
1956Entolium operculiformis Murphy pp. Fig. 6

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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
genusSyncyclonemaMeek 1864
speciesoperculiformis()

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.

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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: low Mg calcitef
Composition 2: aragonitef
Environment: marineo
Locomotion: facultatively mobileg
Life habit: epifaunalg
Diet: suspension feederg
Vision: limitedf
Created: 2004-02-29 16:59:24
Modified: 2004-02-29 18:59:24
Source: g = genus, f = family, o = order
References: Kiessling 2004, Aberhan et al. 2004

Age range: base of the Hauterivian to the top of the Turonian or 132.90000 to 89.80000 Ma

Collections (22 total)


Time interval Ma Country or state Original ID and collection number
Hauterivian - Early/Lower Barremian132.9 - 125.45USA (California) Entolium operculiformis (216294)
Late/Upper Aptian122.46 - 113.0USA (California) Entolium operculiformis (216308 216309 216311 216312 216313 216314 216315 216344)
Cenomanian100.5 - 93.9USA (California) Syncyclonema operculiformis (44195)
Turonian93.9 - 89.8USA (California) Syncyclonema operculiformis (80927 80931 80934 80936 194022 220370 220375 220935 220936)
Late/Upper Turonian93.5 - 89.3USA (California) Syncyclonema operculiformis (220390 220933 221084)