Bathonian


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Bathonian

[bə′thōn·ē·ən]
(geology)
A European stage of geologic time: Middle Jurassic, below Callovian, above Bajocian. Also known as Bathian.
References in periodicals archive ?
The Genna Selole Fm (Bajocian-Bathonian to Bathonian: Del Rio, 1976, 1984; Dieni et al., 1983) are mainly developed in the southernmost outcrops of the Middle Jurassic succession: northwards, it thins out irregularly and tends to disappear, as the Middle Jurassic succession may start directly with the carbonates of the Dorgali Fm.
The Puig d'en Pare Formation contains at its base, highly bioturbated nodular limestones that contain reelaborated ammonites from the late Bajocian (Parkinsoni Zone) to the early Bathonian.
(2012): A ctenochasmatid pterosaur from the Stonesfield Slate (Bathonian, Middle Jurassic) of Oxfordshire, England.
The age was poorly known (Hunt, 1994), however, in the Bathonian. Yemen was subjected to a marine transgression (AI-Thour, 1997).
The Galinha tracksite is included within the lower part of the sequence of the Serra de Aire Formation (Lower Bathonian), which was deposited in lacustrine, paralic and very shallow, restricted marine conditions (Santos et al., 1994; Azeredo, 2007; Santos et al., 2009).
Kohlan (Bathonian to Kimmeridgean): The Kohlan formation is the basal Jurassic sandstone.
Callovian-Oxfordian TOC-rich deposits have been reported for the Late Callovian-Early Oxfordian (Price and Grocke, 2002) and one record of marine black shales deposited from the Late Bathonian to the Volgian (Bausch et al, 1998).
Cteniogenys is a small, probably amphibious, choristodere from the Bathonian of England (e.g.
Turkmengeologiya in May 2000 released results from a 1999 Bathonian test, Tazedepe-3, in western Turkmenistan.
This is contemporaneous with, or slightly pre-dates, the emergence of large theropods in the Bathonian of Europe (Megalosaurus: Benson, 2010).