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Mimospira tenuistriata

Paragastropoda - Mimospirida - Clisospiridae

Taxonomy
Mimospira tenuistriata was named by Wängberg-Eriksson (1979). It is not extant.

Sister species lacking formal opinion data
M. helmhackeri, M. helmhackeri

Synonymy list
YearName and author
1979Mimospira tenuistriata Wängberg-Eriksson
1989Mimospira tenuistriata Frýda p. 240
2007Mimospira tenuistriata Frisk and Ebbestad p. 87 figs. 3A-D
2023Mimospira tenuistriata Wagner p. 3800

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classParagastropoda
orderMimospirida
superfamilyClisospiroidea()
familyClisospiridae
subfamilyClisospirinae
genusMimospira
speciestenuistriata

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.

†Mimospira tenuistriata Wängberg-Eriksson 1979
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Diagnosis
ReferenceDiagnosis
Å. M. Frisk and J. O. R. Ebbestad 2007Mimospira tenuistriata was described in detail by Wängberg-Eriksson (1979), in addition to M. similis from Öland and M. kallholniensis from Dalarna. The latter is ornamented by ribs oriented parallel to the apertural margin and at acute angles (directed abaperturally) to the sutures. In M. tenuistriata the ribs are transverse, separated by much narrower interspaces, and with a less acute angle to the apertural plane. M. similis has fewer and wider spaced ribs on each whorl compared to those in M. tenuistriata. The base and the apertural margin are very similar in M. kallholniensis, M. similis, and M. tenuistriata; one difference in M. tenuistriata is that the base is less concave. M. tenuistriata differs from the type species M. helmhackeri Perner, 1900, from Bohemia in its finer and more densely spaced ribs and lack of flange on the periphery. Isakar & Peel (1997) described M. puhmuense from Estonia. Compared to M. tenuistriata it has coarser and more widely spaced ribs. The Upper Ordovician M. barrandei Fr˘da, 1989, of Bohemia is similar to M. tenuistriata both in size and the roughly lamellate ribs while the pleural angle of this species is more similar to that of M. puhmuense. The spe- cies M. cochleata Lindström, 1884, from the Silurian Slite Beds of Gotland has a shape more similar to M. kallholniensis.