Bladon Spings [Red Bluff Clay] (Oligocene of the United States)

Where: Choctaw County, Alabama (31.7° N, 88.2° W: paleocoordinates 32.0° N, 81.7° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Red Bluff Formation, Rupelian (33.9 - 28.1 Ma)

• STRATIGRAPHIC RELATIONS: From the Red Bluff Clay, for which lithostratigraphic relationships are not discussed. AGE: Vicksburgian = Rupelian. STRATIGRAPHIC POSITION: From unknown position within the Red Bluff Clay.

• group of beds-level stratigraphic resolution

Environment/lithology: marine; claystone

• SPECIFIC LITHOLOGY: Clay. LITHIFICATION: Unknown lithification.

Size class: macrofossils

Reposited in the USNM

• COLLECTOR: Unknown. REPOSITORY: USNM.

Primary reference: F. Canu and R. S. Bassler. 1920. North American early Tertiary Bryozoa. Smithsonian Institute Bulletin 106:1-843 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90548: authorized by Austin Hendy, entered by Austin Hendy on 04.08.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Limited to bryozoa. NOMENCLATURE: Authoritative publication, but with antiquated nomenclature, though includes species-resolution identifications. Nomenclature updated where possible.
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unclassified
  -
Acropora saillans
Stenolaemata
 Cyclostomata - Crisiidae
Crisia hornesi
 Cyclostomata - Oncousoeciidae
Filisparsa bini n. sp., Filisparsa gracilis n. sp., Filisparsa typica, Filisparsa laxata n. sp.
 Cyclostomata - Entalophoridae
Exochoecia rugosa n. sp.
 Cyclostomata - Mecynoeciidae
Mecynoecia elongatotubre
 Cyclostomata - Multisparsidae
Idmonea milneana
Gymnolaemata
 Cheilostomata - Umbonulidae
Umbonula ceratomorpha
 Cheilostomata - Cyclicoporidae
Cyclicopora spongiopsis
 Cheilostomata - Onychocellidae
"Rectonychocella tenuis n. sp." = Smittipora
"Rectonychocella tenuis n. sp." = Smittipora
 Cheilostomata - Cribrilinidae
Puellina radiata
 Cheilostomata - Candidae
Scrupocellaria cookei, Scrupocellaria milneri, Scrupocellaria vaughani n. sp.
 Cheilostomata - Antroporidae
"Membrendoecium pyriforme" = Antropora
"Membrendoecium pyriforme" = Antropora
 Cheilostomata - Bryocryptellidae
"Hippodiplosia magniporosa" = Reussia, Porella erecta n. sp.
"Hippodiplosia magniporosa" = Reussia
 Cheilostomata - Lepraliellidae
Kleidionella grandis
 Cheilostomata - Metrarabdotosidae
Metrarabdotos grande
 Cheilostomata - Adeonidae
Adeonellopsis cyclops n. sp.
 Cheilostomata - Schizoporellidae
Enoplostomella lingulifera n. sp.
 Cheilostomata - Hippoporinidae
Hippomenella costulata
 Cheilostomata - Tubucellariidae
Tubucellaria vicksburgica n. sp.
 Cheilostomata - Smittinidae
Smittina tubulata
 Cheilostomata - Stomachetosellidae
Leiosella rostrifera