Nevado de Acrotambo, Northern Peru (Triassic of Peru)

Where: Peru (8.8° S, 77.2° W: paleocoordinates 20.5° S, 45.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Norian (228.0 - 208.5 Ma)

• Ladinian stated in text, Norian after Senowbari-Daryan 1990

• formation-level stratigraphic resolution

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

Size class: macrofossils

Preservation: recrystallized, replaced with silica

Primary reference: H. Rauff. 1938. Über einige Kalkschwämme aus der Trias der peruanischen Kordillere. Paläontologische Zeitschrift 20:177-214 [W. Kiessling/B. Brenneis/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45512: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 27.10.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• taxonomic list revised after Senowbari-Daryan 1990
Calcarea
 Calcaronea - Stellispongiidae
Stellispongia variabilis Münster 1841 calcareous sponge
Demospongiae
 Verticillitida - Verticillitidae
Polytholosia complicata n. gen. n. sp.
Polytholosia complicata n. gen. n. sp. demosponge
 Agelasida - Sebargasiidae
Amblysiphonella peruana n. sp. demosponge
Amblysiphonella (Tetraproctosia) peruana n.subg., n.sp.
 Agelasida - Guadalupiidae
Discosiphonella torosa demosponge
Ascosymplegma torosum n.gen.,n.sp.