D-5736 - North-facing roadcut (Carboniferous of the United States)

Where: Shasta County, California (40.9° N, 122.3° W: paleocoordinates 9.1° N, 46.2° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Baird Formation, Pennsylvanian (323.2 - 298.9 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shoreface; lithified, massive siltstone

• Shells occur among abundant shell fragments, are oriented parallel to bedding, and may be concentrated on discrete bedding planes, indicating a high depositional energy
• Massive tuffaceous siltstone.

Size class: macrofossils

Reposited in the UCMP

Primary reference: R. Watkins. 1974. Carboniferous Brachiopods from Northern California. Journal of Paleontology 48(2):304-325 [N. Bonuso/P. Monarrez]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 143614: authorized by Nicole Bonuso, entered by Pedro Monarrez on 25.04.2013, edited by Jonathan Marcot

Creative Commons license: CC BY (attribution)

Taxonomic list

Foraminifera
  -
Foraminifera indet. foram
"foraminifers spp."
unclassified
  -
Blastozoa indet. Sprinkle 1973
"crinozoa spp."
Trilobita
 Proetida - Phillipsiidae
Paladin bairdensis Wheeler 1937 trilobite
Bryozoa
 Fenestellida -
Fenestellida indet.
includes "fenestellid type 1" and "fenestellid type 2" and "fenestellid type 3"
Stenolaemata
 Cryptostomata - Acanthocladiidae
Acanthocladiidae indet. Zittel 1880
"acanthocladiid"
 Rhabdomesida -
Rhabdomesida indet. Vine 1883
"rhabdomesid"
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
"other brachiopods"
Strophomenata
 Strophomenida - Rugosochonetidae
 Orthotetida - Schuchertellidae
 Productida - Productidae
"Dictyoclostidae indet." = Dictyoclostinae
"Dictyoclostidae indet." = Dictyoclostinae Stehli 1954
"dictyoclostid sp. A"
 Productida - Linoproductidae
Rhynchonellata
 Spiriferida - Trigonotretidae
? Septospirifer sp. Waterhouse 1971
 Athyridida - Neoretziidae
Hustedia sp. Hall and Clarke 1893
 Orthida - Rhipidomellidae
 Orthida - Schizophoriidae
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
 Nuculanida - Polidevciidae
Phestia sp. Chernyshev 1951 clam
 Trigoniida - Schizodidae
? Schizodus "sp. B" King 1844 clam
 Carditida - Astartidae
Astartella sp. Hall 1858 clam
 Arcida - Parallelodontidae
Parallelodon sp. Meek and Worthen 1866 clam
 Pectinida - Limipectinidae
Limipecten sp. Girty 1903 scallop
 Pectinida - Entoliidae
Pernopecten cf. ohioensis Newell 1938 scallop
 Ostreida -
Pterioidea indet. Gray 1847 oyster
"pteriacean"
 Myalinida - Myalinidae
Myalina sp. de Koninck 1842 clam
Gastropoda
 Neritoina - Neritopsidae
Neritopsidae indet. Gray 1847 snail
"neritopsid"
 Murchisoniina - Murchisoniidae
Murchisoniidae indet. Koken 1896 snail
"murchisoniid"
 Euomphalina - Euomphalidae
Straparollus sp. de Montfort 1810 snail
 Bellerophontida - Euphemitidae
? Euphemitopsis sp. Yochelson 1960 snail
 Zygopleuroidea - Pseudozygopleuridae
Pseudozygopleuridae indet. Knight 1930 snail
"pseudozygopleurid"
Cephalopoda
 Nautiloidea -
Nautiloidea indet. Agassiz 1847 nautiloid
"nautiloid cephalopod sp.A"
Scaphopoda
  -
Scaphopoda indet. Bronn 1862 tusk shell
"scaphopod sp. B"