Olive Hill Reservoir (Miocene of the United States)

Also known as LACMNH locality 15677

Where: Orange County, California (33.8° N, 117.8° W: paleocoordinates 33.4° N, 115.3° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Mohnian other zone, Yorba Member (Puente Formation), Late/Upper Miocene (11.6 - 5.3 Ma)

• "uppermost Miocene... Mohnian-age"

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, fine-grained, concretionary, gray siltstone

• the member "was deposited in similar 'moderately deep' slope to upper bathyal marine environments"
• "fine-grained grey siltstone" with concretions including the sponges

Size classes: macrofossils, mesofossils

Preservation: concretion

Collected by Y. Albi, J. Maxwell; reposited in the LACM

Primary reference: J. K. Rigby and Y. Albi. 1996. An Upper Miocene hexactinellid xponge from the Puente Shale, Orange County, California. Journal of Paleontology 70(6):908-913 [J. Alroy/J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 91023: authorized by John Alroy, entered by John Alroy on 31.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Rotaliina - Bolivinidae
Bolivina spp. d'Orbigny 1839
Globothalamea
 Rotaliida - Discorbidae
Eponides sp. Montfort 1808
Foraminifera
  -
Hexactinellida
 Hexactinosa - Farreidae
Farrea rugosa n. sp. Rigby and Albi 1996 glass sponge
Actinopteri
 Syngnathiformes - Syngnathidae
Syngnathus avus Jordan and Gilbert 1919 pipefish
 Perciformes - Brotulidae
Eclipes cf. veternus Jordan and Gilbert 1919 perch-like fish
 Beryciformes - Melamphaidae
Bivalvia
 Pectinida - Pectinoidae
Delectopecten peckhami Gabb 1869 scallop