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)
• Exotic block, stratigraphic position unknown. Palmarito Fm contains Perrinites hilli and Parafusulina of Kungurian age.
• bed-level stratigraphic resolution
Environment/lithology: deep subtidal shelf; shelly/skeletal, black, gray, silty wackestone
Size class: macrofossils
Preservation: replaced with silica
Collection methods: bulk, chemical, mechanical,
• Prepared by HCl etching, with the small amount of accumulated silt 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 41517: authorized by David Bottjer, entered by Matthew Clapham on 15.07.2004
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
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Polyplacophora | |
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Gastropoda | |
Gastropoda indet. Cuvier 1795 snail Holopeiform, low-holopeiform, high-spired, sinistral, and new genus of high-spired
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? Worthenia sp. de Koninck 1883 snail | |
Glabrocingulum sp. Thomas 1940 snail
Apachella sp. Winters 1956 snail | |
"? Pleurotomariacea indet." = Pleurotomarioidea
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Meekospira sp. Ulrich and Scofield 1897 snail | |
Kinishbia sp. Winters 1956 snail | |
Goniasma "sp. 1" Tomlin 1930 snail
Goniasma "sp. 2" Tomlin 1930 snail | |
Taosia sp. Girty 1939 snail
Orthonema sp. Meek and Worthen 1862 snail | |
cf. Donaldina sp. Knight 1933 snail | |
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Glyptospira sp. Chronic 1952 snail | |
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Anomphalus sp. Meek and Worthen 1866 snail | |
Bivalvia | |
Sanguinolites sp. M'Coy 1844 clam | |
Pseudomonotis sp. von Beyrich 1862 scallop | |
Strophomenata | |
? Holotricharina "sp. A" Cooper and Grant 1975 | |
Echinauris bella Cooper and Grant 1975 | |
Spinifrons grandicosta n. sp.
Spinifrons grandicosta n. sp. Hoover 1981 | |
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Derbyia sp., Derbyia auriplexa n. sp.
Derbyia sp. Waagen 1884
Derbyia auriplexa n. sp. Hoover 1981 | |
Rhynchonellata | |
Hustedia hyporhachis Hoover 1981 | |
Composita cf. pilula Cooper and Grant 1976 | |
? Oligothyrina sp. Cooper 1956 | |
Stenolaemata | |
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Trilobita | |
Anisopyge ? inornata Girty 1909 trilobite |