Muddo Erri (Bottom Layer of Limestone) (Jurassic to of Kenya)

Where: Kenya (3.9° N, 41.2° E: paleocoordinates 16.6° S, 24.1° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Daua Limestone Formation, Bathonian to Bathonian (168.3 - 168.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: lithified limestone

Size class: macrofossils

Collected by V.G. Glenday

• Repository: Hunterian Museum

Primary reference: J. Weir. 1929. Jurassic Fossils from Jubaland, East Africa, Collected by V. G. Glenday, And the Jurassic Geology of Somaliland. Monographs of the Geological Department of the Hunterian Museum, Glasgow University 1-63 [M. Clapham/M. Manojlovic]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 161804: authorized by Matthew Clapham, entered by Marko Manojlovic on 13.09.2014

Creative Commons license: CC BY (attribution)

Taxonomic list

Bivalvia
 Pectinida - Pectinoidae
"Velata sp." = Eopecten
"Velata sp." = Eopecten Douvillé 1897 scallop
upper valve
 Ostreida - Malleidae
Heligmus asiaticus Douville 1916 oyster
Rhynchonellata
 Rhynchonellida - Tetrarhynchiidae
"Burmirhynchia subversabilis" = Daghanirhynchia subversabilis, Cymatorhynchia ? quadriplicata, "Kallirhynchia cf. obsoleta" = Obsoletirhynchia obsoleta, Kallirhynchia sp.
"Burmirhynchia subversabilis" = Daghanirhynchia subversabilis Weir 1925
Cymatorhynchia ? quadriplicata Zieten 1830
two ventral valves
"Kallirhynchia cf. obsoleta" = Obsoletirhynchia obsoleta Sowerby 1815
Kallirhynchia sp. Buckman 1917
 Terebratulida - Loboidothyrididae
Cererithyris sp. Buckman 1917
Cererithyris cf. dorsetensis Douglas and Arkell 1928
Stiphrothyris sp. Buckman 1917
badly damaged shells
Echinoidea
 Irregularia - Clypeidae
Clypeus cf. rostellus Currie 1925 sea urchin
fragment of a test