TU 635, Rio Jaltepec [Encanto Fm] (Miocene of Mexico)

Also known as UCMP A-8124

Where: Oaxaca, Mexico (17.8° N, 95.2° W: paleocoordinates 18.3° N, 92.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Encanto Formation, Middle Miocene (16.0 - 11.6 Ma)

• Limited stratigraphic data available. See Emerson (1951). Unnamed formation; Middle Miocene (N13-N14). Described by Akers (1972) to be late Middle Miocene and the "Encanto Formation"

• bed-level stratigraphic resolution

Environment/lithology: coastal; unlithified lithology not reported

• No paleoenvironmental data reported. See Emerson (1951). "Extremely shallow water"
• No lthologic data available. See Emerson (1951)

Size class: macrofossils

Preservation: original aragonite

Reposited in the UNSM

Collection methods: quarrying,

• Collections housed in Tulane University Paleontology collections, USNM, and possibly AMNH collections

Primary reference: E. H. Vokes and H. E. Vokes. 2000. Catalogue of Tulane University fossil localities. Unpublished notes [A. Hendy/A. Hendy/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 42313: authorized by Austin Hendy, entered by Austin Hendy on 27.07.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

• Only contains Muricid taxa from immediate taxonomic manuscript.
Show authors, comments, and common names
Gastropoda
 Neogastropoda - Muricidae
Ceratostoma (Microrhytis) pecki2, "Haustellum messorius" = Vokesimurex messorius3, Chicoreus (Chicoreus) brevifrons1
Ceratostoma (Microrhytis) pecki2 Emerson 1959 murex snail
"Haustellum messorius" = Vokesimurex messorius3 Sowerby 1841 murex snail
Chicoreus (Chicoreus) brevifrons1 Lamarck 1822 murex snail
 Sorbeoconcha - Strombidae
Strombus cf. proximus2
Strombus cf. proximus2 Sowerby 1850 conch
1Vokes 1974; 2Vokes 1989; 3Vokes 1990