Manzanares section Man-3 (Jurassic of Peru)

Where: Peru (12.0° S, 75.4° W: paleocoordinates 17.9° S, 41.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Condorsinga Formation (Pucara Group), Sinemurian (199.3 - 190.8 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, shelly/skeletal wackestone

• Sponge-coral bank
• Coral wackestone with abundant fragments of bivalves and both broken and in situ coral colonies

Size classes: macrofossils, mesofossils, microfossils

Preservation: recrystallized, replaced with silica

Collected by B. Senowbari-Daryan, G.D. Stanley in 1985; reposited in the UMMP

Collection methods: chemical, peel or thin section

Primary reference: B. Senowbari-Daryan and G. D. Stanley, Jr. 1994. Lower Jurassic marine carbonate deposits in central Peru: stratigraphy and paleontology. Palaeontographica Abteilung A 233:43-56 [W. Kiessling/B. Brenneis/M. Clapham]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 36961: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 20.02.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Radiolaria
  -
Radiolaria indet. Müller 1858 radiolarian
Malacostraca
 Decapoda -
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Pholadida - Teredinidae
? Bankia sp. Gray 1842 clam
Gastropoda
 Sorbeoconcha - Cryptaulacidae
Cryptaulax variformatum n. sp. Bandel 1994 snail
Anthozoa
 Scleractinia - Amphiastreidae
Hispaniastraea ramosa Turnsek et al. 1975 stony coral
 Scleractinia - Montlivaltiidae
"? Isastraea sp." = Isastrea
"? Isastraea sp." = Isastrea Milne-Edwards and Haime 1851 stony coral
 Scleractinia - Stylophyllidae
Stylophyllopsis sp. Frech 1890 stony coral
Stylophyllopsis cf. victoriae Duncan 1867 stony coral
Demospongea
 Vaceletida - Verticillitidae
"Stylothalamia" columnaris Le Maitre 1935 demosponge