Alas (Jurassic to of Eritrea)

Where: Eritrea (14.4° N, 40.6° E: paleocoordinates 7.4° S, 28.0° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Oxfordian to Oxfordian (163.5 - 152.1 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified limestone

Size class: macrofossils

Primary reference: V. Diaz-Romero. 1931. Contributo allo studio della fauna Giurese della Dancalia centrale [The Jurassic fauna of the central Danakil]. Palaeontographia Italica 31:1-61 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 94576: authorized by Wolfgang Kiessling, entered by Uta Merkel on 01.03.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Calcarea
 Calcaronea - Stellispongiidae
Stellispongia sp. d'Orbigny 1849 calcareous sponge
Gastropoda
 Trochoidea - Turbinidae
Turbo sp. Linnaeus 1758 snail
Bivalvia
 Ostreida - Palaeolophidae
"Lopha pulligera" = Actinostreon gregareum
"Lopha pulligera" = Actinostreon gregareum Sowerby 1816 oyster
 Ostreida - Gryphaeidae
"Exogyra nana" = Nanogyra (Nanogyra) nana
"Exogyra nana" = Nanogyra (Nanogyra) nana Sowerby 1822 oyster
Echinoidea
 Cidaroida - Cidaridae
Cidaris sp. Leske 1778 pencil urchin