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Praenucula menapiensis

Bivalvia - Nuculida - Praenuculidae

Discussion

= 1873 Ctenodonta elongata Salter (nom. obliltum), p. 24 and figure

Taxonomy
Ctenodonta menapiensis was named by Hicks (1873). Its type specimen is IGSL 23234 1/77, a shell, and it is a 3D body fossil. Its type locality is East Side of Ogof Hên, Ramsey Island, which is in a Moridunian coastal mudstone in the Ogof Hen Formation of the United Kingdom.

It was recombined as Praenucula menapiensis by Carter (1971).

Sister species lacking formal opinion data
P. dispersa, P. infirma, P. praetermissa

Synonymy list
YearName and author
1873Ctenodonta menapiensis Hicks p. 47 figs. pl. 5 f. 6-7
1971Praenucula menapiensis Carter pp. 251 - 253 figs. pl. 38 f. 1-2

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
RankNameAuthor
—Eubivalvia
subclassProtobranchia(Pelseneer 1889)
superorderNuculiformiiDall 1889
orderNuculida(Dall 1889)
superfamilyNuculoidea(Gray 1824)
familyPraenuculidaeMcAlester 1968
genusPraenuculaPfab 1934
speciesmenapiensis()

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.

†Praenucula menapiensis Hicks 1873
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Diagnosis
ReferenceDiagnosis
H. Hicks 1873Ovate in form, ~ of an inch long by about ~ wide. Valves well raised, beak prominent and pointed, and placed nearer to the anterior margin. Surface marked by fine concentric lines, and ventral margin fimbriated. Both ends of the shell rounded, posterior most; muscular scars strong; teeth prominent.
Measurements
No measurements are available
Composition: aragonitec
Entire body: yesg
Adult length: 1.0 to < 10g
Adult width: 1.0 to < 10g
Thickness: thing
Folds: noneg
Ribbing: noneg
Spines: noneg
Internal reinforcement: noneg
Locomotion: facultatively mobilef
Attached: yesf
Life habit: shallow infaunalf
Diet: deposit feederf
Vision: blindc
Created: 2009-06-05 12:44:27
Modified: 2009-06-05 14:44:27
Source: g = genus, f = family, c = class
References: Aberhan et al. 2004, Meyer et al. 2009, Hendy 2009

Age range: base of the Moridunian to the top of the Whitlandian or 477.70000 to 470.70000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Moridunian477.7 - 473.8United Kingdom (Wales) Ctenodonta menapiensis (89324)
Whitlandian473.8 - 470.7United Kingdom (Wales) Praenucula menapiensis (3713 3714 166752)