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Planutenia flectata

Helcionelloida - Helcionellida - Stenothecidae

Taxonomy
Planutenia flectata was named by Elicki (1994). Its type locality is Gorlitz Synclinorium carbonates, Zweta Formation, Germany - Elicki et al. 1992, which is in an Atdabanian/Lenian peritidal limestone in the Zwetau Formation of Germany.

Synonyms
Synonymy list
YearName and author
1994Planutenia flectata Elicki p. 81 figs. f. 5/1, 12
1994Planutenia inclinata Elicki p. 82 figs. f. 5/2, 13
1996Planutenia flectata Elicki p. 151 figs. txt. f. 2; pl. 5 f. 1-2, 4
1996Planutenia inclinata Elicki pp. 151 - 152 figs. txt. f. 3; pl. 5 f. 3, 5-9
2007Planutenia flectata Skovsted and Peel pp. 736 – 737 figs. 4G-H
2023Planutenia flectata Wagner p. 5733

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classHelcionelloidaPeel 1991
orderHelcionellida
superfamilyYochelcionelloidea
familyStenothecidae
genusPlanutenia
speciesflectata

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.

Planutenia flectata Elicki 1994
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Invalid names: Planutenia inclinata Elicki 1994 [synonym]
Diagnosis
ReferenceDiagnosis
C. B. Skovsted and J. S. Peel 2007Laterally compressed internalmoulds of helcionelloid molluscswith a strongly overhanging apex and a large, hemicircular protoconch recall Planutenia from the upper Lower Cambrian of eastern Germany and the probably related Stenotheca emeiensis Yu, 1987 from North China (Feng et al. 1994). Elicki (1994, 1996) described seven specimens of two coÅ|occurring species of Planutenia, P. flectata, and P. incli- nata, but the differences between these forms are very slight and are likely to be artefacts of variation or preservation. Parkhaev (in Gravestock et al. 2001) synonomised Planutenia with Anabarella Vostokova, 1962, but Planutenia differs from the similarly compressed Anabarella by its lower rate of whorl expansion and the larger protoconch.