Calcari ad aptici e Saccocoma Formation

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Calcari ad aptici e Saccocoma Formation
Stratigraphic range: Tithonian, 152  Ma
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S
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Type Group
Unit of'Calcari Diasprigni'
ThicknessUp to 30 metres (98 ft)
Lithology
Primary Limestone and sandstone
Other Chert
Location
Region Marche
Country Italy
Extent Camponocecchio and Genga
Type section
Named byFabio Galluzzo & Massimo Santantonio (2002) [1]
LocationCamponocecchio
Year defined1976/1980 [2]

The Calcari ad aptici e Saccocoma Formation, [1] also known as the Saccocoma Formation (known in English as the Haptic limestones and Saccocoma Formation), is a geologic formation in Camponocecchio, Italy that dates back to the Tithonian (152 Ma) - it was first identified in 1976/1980, [2] [3] and was named in 2002. [1] It was probably a marine shale due to the fossil content. [4] Fossils found there include ammonites, cnidarians and the ichthyosaur Gengasaurus , discovered in 1976. [5] Many of the fossils found in this formation are housed at the Spaelaeo-Palaeontologic Museum in Genga.

Paleofauna

Indeterminate ammonites and cnidarians are known from the formation. [5]

References

  1. 1 2 3 Galluzzo, F. & Santantonio, M. (2002). The Sabina Plateau: a new element in the Mesozoic palaeogeography of Central Apennines. Bollettino della Società Geologica Italiana S1, 561–88.
  2. 1 2 Fastelli, C. & Nicosia, U. (1980). L'Ittiosauro di Genga (Ancona). In I vertebrati fossili italiani (eds Parisi, G. & Seppi, G.), pp. 95–101. Verona: Catalogo della Mostra.
  3. ↑ De Marinis, G. & Nicosia, U. (2000). L'Ittiosauro di Genga. Castelferretti, Ancona: Cassa di Risparmio di Fabriano e Cupramontana Edizioni, 220 pp.
  4. ↑ "Paleo Profile: The Genga Lizard". Scientific American. Retrieved 9 October 2020.
  5. 1 2 3 Ilaria Paparella; Erin E. Maxwell; Angelo Cipriani; Scilla Roncacè; Michael W. Caldwell (2017). "The first ophthalmosaurid ichthyosaur from the Upper Jurassic of the Umbrian–Marchean Apennines (Marche, Central Italy)". Geological Magazine. 154 (4): 837–858. Bibcode:2017GeoM..154..837P. doi:10.1017/S0016756816000455. S2CID   132955874.
  6. ↑ G. A. Gill, M. Santantonio, and B. Lathuiliere. (2004). The depth of pelagic deposits in the Tethyan Jurassic and the use of corals: an example from the Apennines. Sedimentary Geology 166:311-334


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