Webwith lithiotid bivalves again peloidal packstones (Fig. 4e) were deposited, while in some layers silification can be observed. The higher, most probably Toarcian part of the succession is characterized by several layers of lithiotid bivalves, in places in mass occurrences. In general float-stones and oncoidal rudstones to floatstones dominate Web15 sep. 2024 · Section snippets Material. The studied specimens have been selected among the lithiotid collection of the Museo “Piero Leonardi” of the University of Ferrara, focusing on the species Lithiotis problematica Gümbel, 1871 and Cochlearites loppianus (Tausch, 1890). The collection contains the specimens studied by Accorsi Benini and Broglio …
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Web15 jul. 2024 · The taxonomic identification of lithiotid bivalves at the outcrop scale is difficult because specific shell sections showing diagnostic characters are usually very rare (e.g., … Web15 aug. 2015 · At this locality, we observe well developed Lithiotid bivalves banks associated with subtidal and tidal flat sedimentation.The lithiotid bivalves attain length of up to 1m, resembling , at least ... iberville parish judges
Stratigraphic distribution and paleoecological significance …
Web15 sep. 2024 · Lithioperna is generally represented by flattened and subequivalve shells, while Lithiotis and Cochlearites are characterized by dorso-ventrally elongated and … Web1 jan. 2024 · Lower Jurassic Tethyan and Panthalassan marine shallow-water successions are characterized by aberrant lithiotid bivalves belonging to the Lithiotis Fauna. Their widespread occurrence, often in rock-forming abundance, represents a global biofacies, mostly restricted to the Pliensbachian–early Toarcian.Despite their wide occurrence and … WebThis study describes the stratigraphic distribution, taxonomy, and architecture of these lithiotid-rich deposits.The studied lithiotid and lithiotid-coral deposits from Morocco occur in sheltered, near-shore lagoons along tropical carbonate ramps and platforms. These facies are abundant in upper Pliensbachian strata as well as in the early ... monash compulsory units