Where: Ecuador (1.0° N, 79.8° W: paleocoordinates 0.8° N, 79.0° W)
• coordinate based on nearby landmark
• basin-level geographic resolution
When: Esmeraldas Formation, Zanclean (5.3 - 3.6 Ma)
• STRATIGRAPHIC RELATIONS: From the Esmeraldas Fm, which regionally overlies the Borbon Fm (Middle-Late Miocene). AGE: Zanclean, on the basis of microfossil biostratigraphy. STRATIGRAPHIC POSITION: Collection is representative for entire formation.
• formation-level stratigraphic resolution
Environment/lithology: deep-water; unlithified, bioturbated, tuffaceous, green mudstone
Size class: macrofossils
Preservation: trace
Collection methods: COLLECTOR: Multiple workers. REPOSITORY: Multiple repositories, not stated.
Primary reference: P. F. Hasson and A. G. Fischer. 1986. Observations on the Neogene of Northwestern Ecuador. Micropaleontology 32(1):32-42 [A. Hendy/A. Hendy]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 90857: authorized by Austin Hendy, entered by Austin Hendy on 19.08.2009
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin | |
Asteroidea | |
Asteroidea indet. de Blainville 1830 sea star | |
Bryozoa | |
Bryozoa indet. Ehrenberg 1831 | |
Bivalvia | |
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Limopsis sp. Sassi 1827 clam | |
Scaphopoda | |
"Dentalium (Fissidentalium) granadanum" = Fissidentalium granadanum4
"Dentalium (Fissidentalium) granadanum" = Fissidentalium granadanum4 Anderson 1929 tusk shell SUBSPECIES: Dentalium (Fissidentalium) granadanum esmeraldum
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Gastropoda | |
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Dalium sp. Dall 1889 snail | |
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"Typhis (Talityphis) alatus" = Typhina alata2
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Cirripedia | |
Cirripedia indet. barnacle | |
Anthozoa | |
Flabellum sp. Lesson 1831 stony coral | |
Zoophycos (Spirophyton) sp. Massalongo 1855
Chondrites sp. von Sternberg 1833 |