PPP# 200 - Cayo Agua [Cayo Agua Fm] (Pliocene of Panama)

Also known as NMB Loc. 17634

Where: Bocas, Panama (9.2° N, 82.0° W: paleocoordinates 9.1° N, 82.0° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cayo Agua Formation (Bocas del Toro Group), Piacenzian (3.6 - 2.6 Ma)

• STRATIGRAPHIC RELATIONS: the Cayo Agua Fm is equivalent in age to the upper part of the Shark Hole Point Fm and the lower part of the Escudo de Veraguas Fm, no contacts are known. BIOSTRATIGRAPHY: from Collins et al. (1999); direct date extrapolated from Cheetham et al. (1999).

• bed-level stratigraphic resolution

Environment/lithology: transition zone or lower shoreface; poorly lithified, bioturbated, shelly/skeletal, gray, blue, argillaceous, silty sandstone

• ENVIRONMENT: from Collins et al. 1999 (p. 94), open inner neritic, estimated depth of 30 m.
• GENERAL LITHOLOGY: from Collins et al. 1999 (p. 29), pervasively bioturbated gray blue, muddy, silty, lithic sandstone with comon horizons of abundant thick shelled mollusks and ahermatypic corals.

Size class: macrofossils

Preservation: original calcite

Reposited in the BMNH, NMB, USNM

Collection methods: bulk, sieve,

• COVERAGE: Exhaustive for gastropoda, bivalvia and scaphopoda. COLLECTORS: unknown (PPP staff), 8/11/87. REPOSITORIES:collections presumably held at USNM, BMNH and Naturhistorisches Museum Basel (NMB),

Primary reference: L. S. Collins and A. G. Coates. 1999. A paleobiotic survey of Caribbean faunas from the Neogene of the Isthmus of Panama. Bulletins of American Paleontology (357) [A. Miller/A. Hendy/A. Hendy]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 79774: authorized by Arnold Miller, entered by Kate Bulinski on 23.03.2008, edited by Austin Hendy

Creative Commons license: CC BY (attribution)

Taxonomic list

• NOMENCLATURE: modern nomenclature, though only identified to subgenus resolution. IDENTIFIER: presumably identified by J. Jackson, J. Todd, H. Fortunato, and P. Jung.
Gastropoda
 Trochoidea - Trochidae
Calliostoma sp. Swainson 1840 top snail
 Vanikoroidea - Eulimidae
Niso sp. Risso 1826 snail
 Cerithioidea - Turritellidae
Turritella sp. Lamarck 1799 turret shell
 Pseudomelanoidea - Pseudomelaniidae
Carinodrillia sp. Dall 1919 snail
 Neogastropoda - Olividae
Olivella (Minioliva) sp. Olsson 1956 olive snail
Olivella (Macgintiella) sp. Olsson 1956 olive snail
Oliva (Oliva) sp. Bruguière 1789 olive snail
 Neogastropoda - Buccinidae
Metula sp. Adams and Adams 1853 true whelk
Antillophos (Antillophos) sp. Woodring 1928 true whelk
 Neogastropoda - Fasciolariidae
Fasciolaria (Fasciolaria) sp. Lamarck 1799 tulip snail
 Neogastropoda - Cochlespiridae
"Cochlespira (Ancistrosyrinx) sp." = Cochlespira
"Cochlespira (Ancistrosyrinx) sp." = Cochlespira Conrad 1865 snail
 Neogastropoda - Conidae
Conus sp. Linnaeus 1758 cone shell
 Neogastropoda - Drilliidae
Hindsiclava sp. Hertlein and Strong 1955 snail
Agladrillia (Agladrillia) sp. Woodring 1928 snail
 Neogastropoda - Clathurellidae
 Neogastropoda - Terebridae
Strioterebrum sp. Sacco 1891 auger snail
 Neogastropoda - Turridae
Polystira sp. Woodring 1928 turrid
 Neogastropoda - Marginellidae
Prunum sp. Swainson 1840 margin shell
Dentimargo sp. Cossmann 1899 margin shell
 Neogastropoda - Muricidae
Haustellum sp. Schumacher 1817 murex snail
 Neogastropoda - Volutidae
Voluta sp. Linnaeaus 1758 volute
 Neogastropoda - Cancellariidae
Cancellaria petiti Olsson 1967 snail
 Sorbeoconcha - Cassidae
Sconsia sp. Gray 1847 snail
 Sorbeoconcha - Naticidae
"Natica (Naticarius) sp." = Naticarius, Stigmaulax sp.
"Natica (Naticarius) sp." = Naticarius Dumeril 1806 moon snail
Stigmaulax sp. Morch 1852 moon snail
 Sorbeoconcha - Vermetidae
Serpulorbis sp., "Petaloconchus sp." = Petaloconchus, "? Petaloconchus sp." = Petaloconchus
Serpulorbis sp. Sasso 1827 worm shell
"Petaloconchus sp." = Petaloconchus Lea 1843 worm shell
"? Petaloconchus sp." = Petaloconchus Lea 1843 worm shell
 Sorbeoconcha - Caecidae
Meioceras sp. Carpenter 1858 snail
 Heterostropha - Ringiculidae
 Heterostropha - Pyramidellidae
Turbonilla sp. Risso 1826 snail
Bivalvia
 Arcida - Arcidae
Anadara (Rasia) sp. Gray 1857 ark
 Pectinida - Pectinoidae
? Amusium sp. Röding 1798 scallop
 Ostreida - Ostreidae
? Dendostrea sp. Swainson 1835 oyster
 Mytilida - Crenellidae
Crenella sp. Brown 1827 clam
 Cardiida - Veneridae
Lirophora sp. Conrad 1863 venus clam
 Carditida - Crassatellidae
Crassinella sp. Guppy 1874 clam
Gymnolaemata
 Cheilostomata - Membraniporidae
 Cheilostomata - Mamilloporidae