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Cassiavellia nadkevnae

Bivalvia - Ostreida - Bakevelliidae

Taxonomy
Cassiavellia nadkevnae was named by Temkin and Pojeta (2010). Its type specimen is USNM 258965, a valve (Left valve), and it is a 3D body fossil. Its type locality is Locality E25, Merbah el Oussif East, Djebel Tebaga, which is in a Wordian marine shale/limestone in the Middle Shaly Facies Formation of Tunisia.

Synonymy list
YearName and author
2010Cassiavellia nadkevnae Temkin and Pojeta p. 1164 fig. 17

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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
orderOstreida(Fërussac 1822)
suborderMalleidinaGray 1854
superfamilyPterioideaGray 1847
familyBakevelliidae
genusCassiavellia
speciesnadkevnae

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.

Cassiavellia nadkevnae Temkin and Pojeta 2010
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Diagnosis
No diagnoses are available
Measurements
partNmean
valve height16.80

Composition: aragonitef
Composition 2: low Mg calcitef
Environment: marine, brackisho
Locomotion: stationarysuperf
Attached: yessuperf
Epibiont: yessuperf
Life habit: epifaunalsuperf
Diet: suspension feedersuperf
Vision: blindc
Created: 2007-10-05 02:20:46
Modified: 2007-11-26 09:50:53
Source: f = family, superf = superfamily, o = order, c = class
References: Sanchez Roig 1926, Aberhan et al. 2004, Kiessling 2004

Age range: base of the Wordian to the top of the Wuchiapingian or 266.90000 to 254.14000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Wordian266.9 - 264.28Tunisia (Madanin) Gervillia sp. (41836 type locality: 41862 41864)
Wuchiapingian259.51 - 254.14China (Guangxi) Cassiavellia nadkevnae (50022)