Alconera, Sierra Gorda reef mounds (Cambrian of Spain)

Also known as Reef 1757

Where: Extremadura, Spain (38.4° N, 6.5° W: paleocoordinates 56.0° S, 109.3° E)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Sierra Gorda Member (Alconera Formation), Atdabanian (521.0 - 516.0 Ma)

• Marianian

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified reef rocks

• microbial reef mounds with scarce archaeocyaths

Size class: macrofossils

Primary reference: E. Moreno-Eiris. 1994. Lower Cambrian reef mounds of Sierra Morena (SW Spain). CFS 172:185-192 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 81039: authorized by Wolfgang Kiessling, entered by Uta Merkel on 28.05.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Archaeocyatha
 Capsulocyathida - Coscinocyathidae
Coscinocyathus sp.
Coscinocyathus sp. Bornemann 1884 archaeocyath sponge
 Ajacicyathida - Ajacicyathidae
Nochoroicyathus sp.
Nochoroicyathus sp. Zhuravleva 1951 archaeocyath sponge
 Ajacicyathida - Bronchocyathidae
Taylorcyathus sp.
Taylorcyathus sp. archaeocyath sponge
 Ajacicyathida - Asterocyathidae
Erismacoscinus sp.
Erismacoscinus sp. Debrenne 1958 archaeocyath sponge