Parviscala badensis, Harzhauser & Landau, 2025
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publication ID |
https://doi.org/10.11646/zootaxa.5630.1.1 |
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publication LSID |
lsid:zoobank.org:pub:89462472-D932-4255-880F-C6EF15220A31 |
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persistent identifier |
https://treatment.plazi.org/id/03D787A4-FF8E-FF8F-FF3F-FF2EFA249245 |
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treatment provided by |
Plazi |
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scientific name |
Parviscala badensis |
| status |
sp. nov. |
Parviscala badensis sp. nov.
Figs 4M View FIGURE 4 , 39B View FIGURE 39 , 40A View FIGURE 40
Type material. Holotype, NHMW 2024 View Materials /0278/0014, SL: 5.5 mm, MD: 2.0 mm, Bad Vöslau ( Austria), Figs 4M View FIGURE 4 , 39B View FIGURE 39 1 –B View FIGURE 1 2 View FIGURE 2 , 40A View FIGURE 40 .
Type locality. Baden ( Austria), Vienna Basin .
Type stratum. Baden Formation.
Age. Middle Miocene, middle Badenian (Langhian).
Etymology. After the city Baden in Lower Austria.
Diagnosis. Small, moderately slender, weakly coronate with turreted protoconch, strongly convex teleoconch whorls with rounded shoulder angulation, thin robust lamellae, partly aligned axially, sometimes pointed at shoulder, delicate spiral cords in interspaces, sub-angled base.
Description. Shell small, moderately slender turreted (apical angle ~25°), weakly coronate. Protoconch turreted, of four smooth, weakly convex whorls, small elevated nucleus. Teleoconch of seven strongly convex whorls, with weakly concave subsutural ramp, rounded shoulder, periphery placed above mid-whorl. Suture deeply impressed, weakly undulating. Sculpture of moderately close-set, moderately raised, thin but robust, weakly prosocline lamellae, partly aligned axially (10: 10: 10). Crest of lamellae only weakly rolled over. Some lamellae with low, trigonal spines at shoulder. Interspaces between lamellae glossy with delicate cords. Last whorl large, convex, attaining about 38% of total height, lamellae persisting over base, strongly rolled over, no peribasal cord, base sub-angled, slightly convex. Aperture ovate, columella weakly concave. Outer lip not preserved. Columellar callus forming broad rim, detached from base, parietal callus delicate. No umbilicus.
Discussion. Parviscala paratethyca sp. nov. is superficially reminiscent of Parviscala badensis sp. nov. but has a less incised suture, less convex whorls and its spines are closer to the adapical suture.
Paleoenvironment. Occurrences in the Baden Formation of the Vienna Basin suggest middle to outer neritic settings in up to 250 m water depth ( Kranner et al. 2021).
Distribution in Central Paratethys. Badenian (Middle Miocene): Vienna Basin: Baden ( Austria) (hoc opus).
| MD |
Museum Donaueschingen |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.