Where: Algeria (35.1° N, 2.2° E: paleocoordinates 26.2° N, 5.6° E)
• coordinate estimated from map
• outcrop-level geographic resolution
When: Ataxioceras hypselocyclum ammonoid zone, Early/Lower Kimmeridgian (155.7 - 150.8 Ma)
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal; lithified, coarse-grained, shelly/skeletal grainstone
Size class: macrofossils
Primary reference: M. Benest, F. Atrops, and B. Clavel. 1994. Les echinides du Kimméridgien inférieur des Monts de Chellala (ouest Algérien); révision, paléoenvironnement, et eustatisme. Geobios 27:61-71 [M. Clapham/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 196454: authorized by Matthew Clapham, entered by Matthew Clapham on 15.09.2018
Creative Commons license: CC BY (attribution)
Taxonomic list
| Echinoidea | |
|
Balanocidaris glandifera pencil urchin | |
|
Diplocidaris gigantea Agassiz 1840 pencil urchin | |
|
Pseudocidaris thurmanni Agassiz 1840 sea urchin | |
| Demospongiae | |
|
Cladocoropsis cf. mirabilis Felix 1907 demosponge | |
| Foraminifera | |