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Cryptochasma

Bivalvia - Arcida - Parallelodontidae

Taxonomy
Cryptochasma was named by Casey (1961).

It was assigned to Grammatodontinae by Vokes (1980).

Species lacking formal opinion data
C. libycum, C. ovale
Entered
by A. Hendy on 2006-11-14

Synonymy list
YearName and author
1961Cryptochasma Casey p. 576
1980Cryptochasma Vokes p. 16

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
RankNameAuthor
subclassAutobranchia(Groblen 1894)
infraclassPteriomorphia(Beurlen 1944)
orderArcida(Stoliczka 1871)
superfamilyArcoidea(Lamarck 1809)
familyParallelodontidaeDall 1898
subfamilyGrammatodontinaeBranson 1942
genusCryptochasmaCasey 1961

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. †Cryptochasma Casey 1961
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Locomotion: facultatively mobilef
Attached: yesf
Life habit: low-level epifaunalf
Diet: suspension feederf
Vision: blindc
Created: 2009-10-10 16:21:52
Modified: 2009-10-10 18:21:52
Source: f = family, o = order, c = class
References: Aberhan et al. 2004, Hendy et al. 2009

Age range: base of the Aptian to the top of the Cenomanian or 121.40000 to 93.90000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Aptian121.4 - 113.2United Kingdom (England) C. ovale (1851 1856 1866)
Cenomanian100.5 - 93.9Libya (Jabal al Gharbi) C. libycum (275582)