U11/2, Ruhuhu Valley (Triassic of Tanzania)

Also known as Hypselorhachis holotype site

Where: Ruvuma, Tanzania (10.3° S, 35.2° E: paleocoordinates 53.8° S, 23.0° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Cynognathus subzone C other zone, Lifua Member (Manda Beds Formation), Anisian (247.2 - 242.0 Ma)

• "Manda Beds are correlated with Subzone C of the Cynognathus Assemblage Zone of the Beaufort Group, South Africa, which has been dated as latest Anisian in age"

Environment/lithology: fluvial-deltaic; red sandstone and micaceous, green, red siltstone

• "seasonally arid fluviodeltaic environment"
• "fining upward cycles of reddish feldspathic sandstones grading up to green or red micaceous siltstones"

Size class: macrofossils

Collected by Charig, Attridge et al. in 1963; reposited in the BMNH

Primary reference: A. J. Charig. 1967. Archosauria. In W. B. Harland (ed.), The Fossil Record: A Symposium with Documentation. Geological Society of London Special Publication 2:703-718 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93024: authorized by Richard Butler, entered by Richard Butler on 22.12.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Reptilia
 Pseudosuchia - Ctenosauriscidae
Hypselorhachis mirabilis n. gen. n. sp.
Hypselorhachis mirabilis n. gen. n. sp. Charig 1967 archosaur
NHM R16586, anterior dorsal vertebra