Also known as Reef 1295

Where: Sonora, Mexico (31.3° N, 109.7° W: paleocoordinates 31.4° N, 69.9° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Upper Member (Mural Formation), Early/Lower Albian (112.0 - 109.0 Ma)

• bed-level stratigraphic resolution

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

Size class: macrofossils

Primary reference: J. K. Rigby and R. W. Scott. 1981. Sponges from the Lower Cretaceous Mural Limestone in Arizona and northern Mexico. Journal of Paleontology 55(3):552-562 [W. Kiessling/U. Merkel] more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 112653: authorized by Wolfgang Kiessling, entered by Uta Merkel on 14.07.2011