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Mithracia oppionii sp. nov. (Crustacea, Decapoda, Brachyura) from the Eocene of Chiampo (Vicenza, Italy)
| Content Provider | Semantic Scholar |
|---|---|
| Author | Larghi, Cristiano |
| Copyright Year | 2003 |
| Abstract | A new species of brachyuran decapod crustacean of the family Majidae Samouelle, Mithracia oppionii, is described. The new species was collected from lower Eocene rocks of Chiampo near Vicenza (Veneto, Italy). Mithracia oppionii sp. nov. is similar to the type species, M. libinioides Bell, 1858 (lower Eocene of Southern England) but differs from it in the shape of the supraorbital margin and in the development of the epibranchial and protogastric lobes. The supraorbital margin of Mithracia oppionii sp. nov. exihibits better developed preorbital and postorbital teeth than does M. libinioides; the epibranchial and protogastric lobes are wider than in M. libinioides. In Mithracia oppionii sp. nov. the epibranchial lobes are less evident because they are separated from the mesobranchial lobe by a subtle groove. The paleoecological significance of the fossiliferous assemblages from the Chiampo Ypresian levels is here discussed. The Eocene paleogeography of the Lessini mountains is described and the paleobiogeography of Mithracia Bell, 1858, herein reported for the first time in lower Eocene Italian rocks, is discussed. |
| File Format | PDF HTM / HTML |
| Alternate Webpage(s) | http://www.city.mizunami.lg.jp/docs/2014092922841/files/2014092922841_29_04.pdf |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
