"Lothinas Limestone", quarry near Broomage [St Croix Limestone Mbr, Cipero Marl] (Miocene of Trinidad and Tobago)

Where: Trinidad and Tobago (10.3° N, 61.4° W: paleocoordinates 9.8° N, 58.1° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: St Croix Limestone Member (Cipero Marl Formation), Burdigalian (20.4 - 16.0 Ma)

• STRATIGRAPHIC RELATIONS: From the "Lothinas Limestone" [=St Croix Limestone Mbr of the Cipero Marl]. AGE: Burdigalian on the basis of macrofossils biostratigraphy. STRATIGRAPHIC POSITION: From unknown position within these units

• member-level stratigraphic resolution

Environment/lithology: coastal; lithified limestone

• ENVIRONMENT: Fauna appears relatively shallow.
• LITHOLOGY: Not stated, but presumably a limestone on the basis of lithostratigraphic name. LITHIFICATION: Lithified, based on facies description.

Size classes: macrofossils, microfossils

Collection methods: COLLECTORS: Multiple collectors including R. Rutsch and C.M.B. Caudri. REPOSITORY: Unknown.

Primary reference: R. M. Stainforth. 1948. Description, correlation, and paleoecology of Tertiary Cipero Marl, Trinidad, BWI. Bulletin of the American Association of Petroleum Geologists 32(7):1292-1330 [A. Hendy/A. Hendy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 93369: authorized by Austin Hendy, entered by Austin Hendy on 15.01.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

• COVERAGE: Exhaustive for gastropoda and bivalvia. NOMENCLATURE: Not an authoritative publication, with rather antiquated nomenclature, though with identifications made to species resolution.
Tubothalamea
 Miliolida - Soritidae
Archaias sp. Montfort 1808
unclassified
  -
Bivalvia
 Arcida - Limopsidae
"Limopsis (Pectunculina) subangularis" = Limopsis
"Limopsis (Pectunculina) subangularis" = Limopsis clam
SUBSPECIES: Limopsis (Pectunculina) subangularis fischnechti
 Pectinida - Propeamussiidae
"Propeamussium bronni" = Propeamussium duodecimlamellatum bronni
"Propeamussium bronni" = Propeamussium duodecimlamellatum bronni Mayer 1861 mud scallop
SUBSPECIES: Propeamussium bronni pennyi
Gastropoda
 Thecosomata - Cavoliniidae
Cavolinia audeninoi snail
SUBSPECIES: Cavolina audeninoi trinitatis
 Sorbeoconcha - Eocypraeidae
Sphaerocypraea wegeneri Schilder 1939 snail
 Sorbeoconcha - Cypraeidae
"Jousseaumea joosi" = Jousseaumea joossi Schilder 1939 cowry
Luria (Basilitrona) sanctesebastiani Maury 1920 cowry
SUBSPECIES: Lurian (Basilitrona) sanctesebastiani adivinanzensis
Cypraeorbis perplexa Schilder 1939 cowry
 Neogastropoda - Muricidae
"Typhis aff. alatus" = Typhina alata
"Typhis aff. alatus" = Typhina alata Sowerby 1850 murex snail
SUBSPECIES: Typhis aff. alatus obesus