Euspira lakhaparensis Das et al. 2019 (moon snail)

Gastropoda - Sorbeoconcha - Naticidae

Euspira jhuraensis n. sp. fromthe Oxfordian horizons of Kutch has a large-sized shell, whereas E. lakhaparensis n. sp. has a medium-sized shell and comes from the younger Tithonian bed. In E. jhuraensis n. sp., the spire is very low and consists of two whorls, whereas in E. lakhaparensis n. sp., the spire is slightly elevated and consists of three whorls. These two species also differ in growth line patterns: E. jhuraensis n. sp. has orthocline growth lines, but they are slightly prosocline to straight in E. lakhaparensis n. sp.

Euspira lakhaparensis n. sp. closely resembles E. rectilabrum (Conrad, 1858) from the lower Maastrichtian of the Mexcala Formation, Mexico (Perrilliat et al., 2000; p. 14, fig. 6.9, 6.10) in having a globose shell and impressed suture. But E. rectilabrum has a moderately thick shell and larger number of whorls in the teleoconch. These two species also differ in shell size and growth lines patterns: E. lakhaparensis n. sp. has a medium-sized shell and slightly prosocline-to-straight growth lines, whereas in E. rectilabrum, the shell is small and growth-line pattern is prosocline.

Full reference: S.S. Das, S. Mondal, S. Das, S. Bardhan, and R. Saha. 2019. Family Naticidae (Gastropoda) from the Upper Jurassic of Kutch, India and a critical reappraisal of taxonomy and time of origination of the family. Journal of Paleontology

Belongs to Euspira according to S.S. Das et al. 2019

Sister taxa: Euspira antarctidia, Euspira bononiensis, Euspira catena, Euspira catenoides, Euspira compressa, Euspira constricta, Euspira draconis, Euspira ella, Euspira falklandica, Euspira gianoi, Euspira glaucinoides, Euspira gregori, Euspira grossularia, Euspira guamblinensis, Euspira halli, Euspira helicina, Euspira heros, Euspira internus, Euspira jacksonensis, Euspira jhuraensis, Euspira latecallosa, Euspira lewisii, Euspira marianus, Euspira marylandica, Euspira meisensis, Euspira molarensis, Euspira morisi, Euspira notabilis, Euspira ottogeyeri, Euspira pallida, Euspira patagonica, Euspira perforata, Euspira piccolii, Euspira politiana, Euspira popenoei, Euspira propeinternus, Euspira pulchella, Euspira punjabensis, Euspira rectilabrum, Euspira roei, Euspira saginata, Euspira sergipensis, Euspira soriensis, Euspira strebeli, Euspira submamillaris, Euspira subobturata, Euspira tabulata, Euspira triseriata, Euspira umbilicocarinata, Euspira umbilicolunata, Euspira vicanus, Euspira waltonensis, Natica (Euspira) diabloensis, Natica (Euspira) kirkensis, Natica (Euspira) ramonensis, Polinices (Euspira) agujanus, Polinices (Euspira) blakeleyensis, Polinices (Euspira) clementensis, Polinices (Euspira) crawfordianus, Polinices (Euspira) diabloensis, Polinices (Euspira) draconis, Polinices (Euspira) galianoi, Polinices (Euspira) gesteri, Polinices (Euspira) hotsoni, Polinices (Euspira) lewisii, Polinices (Euspira) lincolnensis, Polinices (Euspira) litorinus, Polinices (Euspira) nuciformis, Polinices (Euspira) pallidus, Polinices (Euspira) pardoanus, Polinices (Euspira) ramonensis, Polinices (Euspira) simiensis, Polinices (Euspira) vientoensis, Laguncula montrisouensis, Laguncula dorotheae

Type specimen: Holotype specimen (ISI/g/Jur/N 99).

Ecology: semi-infaunal carnivore

Distribution: there are no occurrences of Euspira lakhaparensis in the database

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Specimen images are retrieved through the ePANDDA API.


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