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Calorhadia (Calorhadia) pharcida

Bivalvia - Nuculanida - Nuculanidae

Taxonomy
Leda pharcida was named by Dall (1898). Its type specimen is USNM 145633, a shell, and it is a 3D body fossil. It is the type species of Calorhadia.

It was recombined as Calorhadia pharcida by Stewart (1930); it was recombined as Nuculana pharcida by Harris and Palmer (1946); it was recombined as Calorhadia (Calorhadia) pharcida by Stenzel (1958).

Sister species lacking formal opinion data
C. aldrichiana, C. diminutia, C. houstonia

Synonymy list
YearName and author
1898Leda pharcida Dall p. 587 figs. pl. 32, fig. 8
1930Calorhadia pharcida Stewart p. 51
1946Nuculana pharcida Harris and Palmer p. 55
1958Calorhadia (Calorhadia) pharcida Stenzel p. 46

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
—Eubivalvia
RankNameAuthor
subclassProtobranchia(Pelseneer 1889)
superorderNuculaniformiiCarter et al. 2000
orderNuculanida(Carter et al. 2000)
superfamilyNuculanoideaAdams and Adams 1858
familyNuculanidaeAdams and Adams 1858
genusCalorhadia
subgenusCalorhadiaStewart 1930
speciespharcida(Dall 1898)

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: aragonitef
Entire body: yesf
Adult length: 1.0 to < 10f
Adult width: 1.0 to < 10f
Adult height: 1.0 to < 10f
Thickness: thinf
Folds: nonef
Ribbing: minorf
Spines: nonef
Internal reinforcement: nonef
Ontogeny: accretionf
Environment: coastal, inner shelf, outer shelf, oceanicf
Locomotion: facultatively mobileg
Life habit: infaunalg
Diet: deposit feederg
Vision: blindc
Created: 2009-09-09 13:22:44
Modified: 2009-09-09 15:22:44
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Sanchez Roig 1926, Kiessling 2004

Age range: base of the Selandian to the top of the Bartonian or 61.60000 to 38.00000 Ma

Collections (41 total)


Time interval Ma Country or state Original ID and collection number
Selandian61.6 - 59.2USA (Alabama) Calorhadia pharcida (205427 205472)
Selandian - Thanetian61.6 - 56.0USA (Alabama) Calorhadia pharcida (80367)
Thanetian59.2 - 56.0USA (Alabama) Calorhadia pharcida (80495 80761 85322 86176 86177 86179 90141 90142 90439) Yoldia pharcida (90818 92034 92352 98365)
Ypresian56.0 - 47.8USA (Mississippi) Calorhadia pharcida (89868 89872 90028 90029 90030)
Ypresian56.0 - 47.8USA (Alabama) Calorhadia pharcida (80764 80779 80785 80786 80788 89873 89946 90038 90040 90145 90146 90147 90148 97454 205409) Yoldia pharcida (92349 92375 98308)
Ypresian56.0 - 47.8USA (Georgia) Yoldia pharcida (98633)
Bartonian41.3 - 38.0USA (South Carolina) Leda pharcida (92489)