Where: Merida, Venezuela (8.0° N, 71.3° W: paleocoordinates 5.5° S, 34.4° W)
• coordinate estimated from map
• small collection-level geographic resolution
When: Palmarito Formation, Kungurian (279.3 - 272.3 Ma)
• Perrinites hilli, Parafusulina
• bed-level stratigraphic resolution
Environment/lithology: offshore shelf; concretionary, gray, silty wackestone and shelly/skeletal, gray siltstone
Size class: macrofossils
Preservation: replaced with silica
Collection methods: bulk, chemical, mechanical,
• Specimens from 2 m laterally and 1 m normal to bedding. Etched with HCL and dried silt residues removed by air abrasion.
Primary reference: P.R. Hoover. 1981. Paleontology, Taphonomy, and Paleoecology of the Palmarito Formation (Permian of Venezuela). Bulletins of American Paleontology 80(313):1-138 [D. Bottjer/M. Clapham/M. Clapham]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 41515: authorized by David Bottjer, entered by Matthew Clapham on 15.07.2004, edited by Pete Wagner
Creative Commons license: CC BY (attribution)
Taxonomic list
Crinoidea | |
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Cephalopoda | |
Martoceras subinterrupta ammonite | |
"cf. Mooreoceras sp." = Pseudorthoceras
"cf. Mooreoceras sp." = Pseudorthoceras Girty 1912 | |
Gastropoda | |
| |
"Straparollus (Euomphalus) aff. kaibabensis" = Euomphalus kaibabensis
"Straparollus (Euomphalus) aff. kaibabensis" = Euomphalus kaibabensis Chronic 1952 snail | |
Glyptospira sp. Chronic 1952 snail | |
Orthonema sp. Meek and Worthen 1862 snail | |
Kinishbia sp. Winters 1956 snail | |
Bellerophontoidea indet. M'Coy 1851 snail | |
Euphemites aequisulcatus Chronic 1952 snail
Euphemites cf. exquisitus Yochelson 1960 snail | |
Retispira sp. Knight 1945 snail | |
"Soleniscus" sp. Meek and Worthen 1860 snail | |
Apachella sp. Winters 1956 snail
? Ananias sp. Knight 1945 snail | |
Worthenia sp. de Koninck 1883 snail | |
| |
Bivalvia | |
Sanguinolites sp. M'Coy 1844 clam | |
Pseudomonotis sp. von Beyrich 1862 scallop | |
Rhynchonellata | |
Rhynchonellida indet. Kuhn 1949 | |
Pontisia stehlii Cooper and Grant 1969 | |
Composita cf. pilula Cooper and Grant 1976 | |
Hustedia hyporhachis n. sp.
Hustedia hyporhachis n. sp. Hoover 1981 | |
Strophomenata | |
| |
Rugatia intermedia n. sp.
Rugatia intermedia n. sp. Hoover 1981 | |
? Holotricharina "sp. A" Cooper and Grant 1975 | |
Derbyia deltauriculata n. sp.
Derbyia deltauriculata n. sp. Hoover 1981 | |
Bryozoa | |
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Stenolaemata | |
| |
Trilobita | |
Anisopyge perannulata Shumard 1858 trilobite | |
Anthozoa | |
Lophophyllidium cf. pelaeum horn coral | |
? Acaciapora sp. Moore and Jeffords 1945 tabulate coral |