Amberleya cf. dilleri Stanton, 1895
publication ID |
https://doi.org/ 10.4202/app.2008.0412 |
persistent identifier |
https://treatment.plazi.org/id/03DC9B54-FFE0-337C-FF43-41517E9ACB15 |
treatment provided by |
Felipe |
scientific name |
Amberleya cf. dilleri Stanton, 1895 |
status |
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Amberleya cf. dilleri Stanton, 1895
Fig. 4D View Fig .
Material.— One specimen from NW Berryessa (site 10; UCMP 555090 View Materials ), and two fragments from the Franciscan Little Indian Valley terrane (site 6) .
Discussion.—These specimens have a stronger second tuberculate cord below the main one compared to Stanton’s (1895) type specimens of A. dilleri , and lacks the nodular subsutural cord of A. morganensis . Because the specimens are rather poorly preserved, we only hesitantly assign them to A. dilleri .
Stratigraphic and geographic range.—Tithonian (Upper Jurassic) to Valanginian (Lower Cretaceous), restricted to seep carbonates at NW Berryessa of the Great Valley Group and Little Indian Valley terrane , Franciscan Complex; California, USA.
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