Also known as Portlandemys gracilis type collection
Where: Jura, Switzerland (47.4° N, 7.1° E: paleocoordinates 38.4° N, 16.0° E)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Chevenez Member (Reuchenette Formation), Late/Upper Kimmeridgian (155.7 - 150.8 Ma)
• Virgula Marls
• group of beds-level stratigraphic resolution
Environment/lithology: marl
•et al., 2007; Marty, 2008), and the Virgula Marls (Jank et al., 2006). Most of the Tropidemys langii specimens were found in the ∼10-m-thick Bann´eMarls, which consist of “grey, decimeterthick layers of marlstones, calcarenitic marls, and marly limestones” (Jank et al., 2006:178). The Bann´e Marls are assigned to
•the Divisum ammonite zone of the Tethyan realm (Jank et al., 2006).
Size class: macrofossils
Collected in 2009
Primary reference: J. Anquetin, C. Püntener, and J.-P. Billon-Bruyat. 2015. Portlandemys gracilis n. sp., a new coastal marine turtle form the Late Jurassic of Porrentuy (Switzerland) and a reconsideration of plesiochelyid anatomy. PLoS ONE 10(6):e0129193 [P. Mannion/J. Tennant/E. Vlachos]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 171092: authorized by Philip Mannion, entered by Jonathan Tennant on 02.07.2015
Creative Commons license: CC BY (attribution)
Taxonomic list
| Reptilia | |
Portlandemys gracilis n. sp.
Portlandemys gracilis n. sp. Anquetin et al. 2015 turtle MJSN BSY009-708, a partial cranium consisting of the basicranium and the skull roof
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