Infratrappean beds near Bacharam (Cretaceous of India)

Where: Andhra Pradesh, India (17.3° N, 79.8° E: paleocoordinates 28.7° S, 60.9° E)

• coordinate stated in text

• small collection-level geographic resolution

When: Infratrappean Beds Formation, Late/Upper Maastrichtian (70.6 - 66.0 Ma)

• formation-level stratigraphic resolution

Environment/lithology: terrestrial; conglomeratic sandstone and gray claystone

• The sediments are made up of sandstones, which are conglomeratic in places, grayish clays, and marls of varying thickness (2.5–3.0 m). Additional data are

•available from the GSI.

Size classes: mesofossils, microfossils

Collected by Geological Survey of India (GSI) in the 1990s; reposited in the GSI

Collection methods: bulk, sieve,

• During the 1990’s, crews from the Geological Survey of India (GSI) Southern Region undertook paleontological and geological fieldwork in the Maastrichtian infra- and intertrappean beds of Andhra Pradesh and Karnataka (Fig. 1). Underwater screenwashing of nearly 12 tons of matrix from those exposures led to the recovery of a large collection of microvertebrate fossils

Primary reference: S. Anantharaman, G. P. Wilson, D. C. Das Sarma and W. A. Clemens. 2006. A possible Late Cretaceous "haramiyidan" from India. Journal of Vertebrate Paleontology 26(2):488-490 [R. Benson/R. Benson]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 123566: authorized by Roger Benson, entered by Roger Benson on 26.01.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• includes more than 60 isolated teeth, dentulous jaws, and postcranial elements

•of several new eutherians and at least one gondwanatherian

Mammalia
 Multituberculata - Haramyidae
Avashishta bacharamensis n. gen. n. sp.
Avashishta bacharamensis n. gen. n. sp. Anantharaman et al. 2006 multituberculate
GSI/SR/PAL-B215, a nearly complete right upper molariform (holotype)