Miltha romaniae Adams & Adams 1857, sp. nov. ...
Miltha (s. lat.) romaniae sp. nov. urn:lsid:zoobank.org:act: 2B925733-211D-4EBA-9212-DAB02264F43C Fig. 11 Diagnosis Shell oval, flat, reaching 30 mm in length, with anterior and posterior groove producing narrow anteroand posterodorsal areas; umbones little elevated, pointed, slightly prosogyrate, d...
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| Format: | Text |
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Zenodo
2023
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| Online Access: | https://dx.doi.org/10.5281/zenodo.10380336 https://zenodo.org/doi/10.5281/zenodo.10380336 |
| Summary: | Miltha (s. lat.) romaniae sp. nov. urn:lsid:zoobank.org:act: 2B925733-211D-4EBA-9212-DAB02264F43C Fig. 11 Diagnosis Shell oval, flat, reaching 30 mm in length, with anterior and posterior groove producing narrow anteroand posterodorsal areas; umbones little elevated, pointed, slightly prosogyrate, displaced anterior at about ⅓ of shell length; anterodorsal margin nearly straight; anterior margin gently rounded, with smooth transition to convex ventral margin; posterodorsal margin almost straight, with angular transition to posterior margin; posterior margin with indent at end of posterior groove; ventral commissure slightly undulating; external surface covered by numerous densely-spaced, fine commarginal ribs that become stronger toward the outer margin; at antero- and posteroventral margin, the ribs their interspaces are often covered by obliquely tangential thread-like ridges; no radial sculpture; aams thin, elongate, reaching just below mid-line of shell, deviating from pallial line at an angle of about ... : Published as part of Kiel, Steffen, Sami, Marco & Taviani, Marco, 2023, Mollusks (Gastropoda, Bivalvia) from Miocene cold-seep deposits in northern Italy: revisions and additions, pp. 115-160 in European Journal of Taxonomy 910 on pages 144-146, DOI: 10.5852/ejt.2023.910.2365, http://zenodo.org/record/10350702 ... |
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