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Gastropod - Styrian Basin, Austria (Langhian - Miocene)


FranzBernhard

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FranzBernhard

Hello,

I would like to ask for opinions about this 5 mm "tall" gastropod. Its from the Langhian - Miocene (15 Ma old) "Florianer Schichten" of the Styrian Basin in western Styria, Austria (St. Josef, site Fuggaberg-3). Other molluscs at this site are Granulolabium, Terebralia, Anadara, Acanthocardia, tellinid bivalves, oysters, naticids, buccinids etc.

Many thanks for your help!
Franz Bernhard

SchneckeUnbestimmt_Fuggaberg3_4746_5mm.jpg.fa803f08a1f2f2f144e3ac68a51f8786.jpg

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Hello Franz,

 

It looks like Ringicula ventricosa (G.B.Sowerby, 1824).

 

Greetings,

 

Ricardo

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FranzBernhard

Thanks so much @ricardo! Ringicula it is. There is already mentioned a Ringicula buccinea from this area in a paper from 1900...

Many thanks!
Franz Bernhard

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Hello Franz.

 

I also have Ringicula buccinia from Portuguese Pliocene and Miocene locations, but that one seems to have a longer length/width ratio like some pictures from R. venticosa. Anyway, as there is always a lot of intraspecific variation when looking at the shapes of the shells. Some one in WNHM could give an correct answer for sure.

 

Greetings,

 

Ricardo

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