Mexican Saddlehorn, coral-rudist patch reef (Cretaceous of the United States)

Also known as Reef 2227

Where: Cochise County, Arizona (31.3° N, 109.1° W: paleocoordinates 31.5° N, 66.7° W)

• coordinate estimated from map

• outcrop-level geographic resolution

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

• group of beds-level stratigraphic resolution

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

• coral boundstone, petalodontid boundstone, caprinid floatstone/rudstone

Size class: macrofossils

Primary reference: P. M. Hartshorne. 1989. Facies architecture of a Lower Cretaceous coral-rudist patch reef, Arizona. Cretaceous Research 10:311-336 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 74146: authorized by Wolfgang Kiessling, entered by Uta Merkel on 25.07.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
 Orbitolinacea - Orbitolinidae
Anthozoa
 Scleractinia - Actinastreidae
Actinastrea sp. d'Orbigny 1849 stony coral
 Scleractinia - Microsolenidae
Microsolena texana Wells 1932 stony coral
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Pectinida - Chondrodontidae
Chondrodonta sp. Stanton 1901 scallop
 Hippuritida - Requieniidae
Toucasia hancockensis Whitney 1952 rudist
 Hippuritida - Caprinuloideidae
Coalcomana ramosa Boehm 1898 rudist
 Hippuritida - Monopleuridae
"Petalodontia felixi" = Pseudopetalodontia felixi Douvillé 1900 rudist
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Echinoidea
  -
Echinoidea indet. Leske 1778 sea urchin