North Face (Silvertop-Smith collection) (Jurassic of Gibraltar)

Where: Gibraltar (36.1° N, 5.3° W: paleocoordinates 24.9° N, 1.9° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Gibraltar Limestone Formation, Late/Upper Sinemurian (196.5 - 189.6 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

• "crystalline carbonate"

Size class: macrofossils

Collected by Colonel Charles Silvertop, James Smith in 1846; reposited in the BMNH

Primary reference: E. F. Owen and E. P. F. Rose. 1997. Early Jurassic brachiopods from Gibraltar, and their Tethyan affinities. Palaeontology 40:497-513 [M. Clapham/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 135349: authorized by Matthew Clapham, entered by Matthew Clapham on 23.10.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

• Specimens identified and discussed, but not described, by Muir-Wood (in Bailey 1952)
Rhynchonellata
 Terebratulida - Zeilleriidae
Calpella aretusa Di Stefano 1886
B85420-1 (Zeilleria aff. tenuiplicata in Bailey, 1952)
 Terebratulida - Plectoconchidae
"Merophricus mediterranea" = Merophricus mediterraneus
"Merophricus mediterranea" = Merophricus mediterraneus Canavari 1884
B85420, 85422, 85430-8, 85440-1
 Rhynchonellida - Tetrarhynchiidae
"Gibbirhynchia correcta" = Gibbirhynchia curviceps Quenstedt 1852
B85428, 85423-5
Pontaltorhynchia schopeni Di Stefano 1886
B85419, 85426-7, 85439