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Merismoconcha

Taxonomy
Merismoconcha was named by Yü (1979) [Sepkoski's age data: Cm Tomm-u Cm Atda Sepkoski's reference number: 1006]. It is not extant. Its type is Merismoconcha multisegmentata.

It was assigned to Mollusca by Sepkoski (2002), Devaere et al. (2013).

Species
M. multisegmentata (type species)

Synonymy list
YearName and author
1979Merismoconcha Yü
2002Merismoconcha Sepkoski
2013Merismoconcha Devaere et al. p. 43

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
RankNameAuthor
—Spiralia
superphylumLophotrochozoa
phylumMollusca
genusMerismoconcha

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. †Merismoconcha Yü 1979
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Diagnosis
ReferenceDiagnosis
L. Devaere et al. 2013Minute, narrowly elongate, spoon-shaped conchs. Dorsal side of internal mold divided into two unequal parts (body segment longest) by a transverse notch corresponding to a transverse costae in the shell. Surface ornamented with concentric rugae, radial ridges or lines and growth lines. Aperture elongate-oval.
Measurements
No measurements are available
No ecological data are available

Age range: Stage 2 or 529.00000 to 521.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Meishucunian530.7 - 521.0China (Sichuan) M. multisegmentata (107701)
Stage 2529.0 - 521.0France (Heraultia) M. sp. (234355)
Stage 2529.0 - 521.0France (Herault) M. sp. (239438)