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Palaeostraba

Bivalvia - Nuculanida - Malletiidae

Taxonomy
Palaeostraba was named by Liljedahl (1984) [Sepkoski's age data: S Wenl-u Sepkoski's reference number: 1117].

It was assigned to Malletiidae by Liljedahl (1994); and to Nuculoida by Sepkoski (2002).

Synonymy list
YearName and author
1984Palaeostraba Liljedahl
1994Palaeostraba Liljedahl p. 44
2002Paleostraba Sepkoski

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classBivalvia
RankNameAuthor
Eubivalvia
subclassProtobranchia(Pelseneer 1889)
superorderNuculaniformiiCarter et al. 2000
orderNuculanida(Carter et al. 2000)
superfamilyNuculanoideaAdams and Adams 1858
familyMalletiidae(Adams and Adams 1858)
genusPalaeostrabaLiljedahl 1984

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. †Palaeostraba Liljedahl 1984
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Diagnosis
ReferenceDiagnosis
L. Liljedahl 1994Malletiid with slightly elongated posterior end, beaks slightly prosogyrate ( Fig. 34N, O ) , opisthodetic exter­ nal ligament and possibly also an additional intemal part of the ligament (Fig. 34P); distinct anterior intemal septum and less conspicuous posterior septum (Fig. 34L); central tooth and socket extremely small, as are adjoining anterior and posterior teeth (Fig. 34P); oblique extemal sulcus from pos­ tero-umbonal slope to postero-ventral margin (Fig. 340).