Zorba Extension Opal Field (Cretaceous to of Australia)

Also known as Coober Pedy

Where: South Australia, Australia (29.0° S, 134.7° E: paleocoordinates 63.1° S, 107.1° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Bulldog Shale Formation (Rolling Downs Group), Aptian to Aptian (125.0 - 100.5 Ma)

• "Cyclosporites hughesii, Crybelosporites striatus zones / Odontochitina operculata, Diconodinium davidii and Muderongia tetracantha zones." Marree Subgroup.

• bed-level stratigraphic resolution

Environment/lithology: marine; lithology not reported

Size class: macrofossils

Preservation: replaced with other

Collection methods: quarrying,

Primary reference: B. P. Kear, N. I. Schroeder, and M. S. Y. Lee. 2006. An archaic crested plesiosaur in opal from the Lower Cretaceous high-latitude deposits of Australia. Biology Letters 2:615-619 [M. Carrano/H. Street]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 103082: authorized by Matthew Carrano, entered by Hallie Street on 22.01.2011

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Plesiosauria - Leptocleididae
Umoonasaurus demoscyllus n. gen. n. sp.
Umoonasaurus demoscyllus n. gen. n. sp. Kear et al. 2006 plesiosaur
AM F99374