Altamira House, Locality 10, Palo Quemado Trail (Permian of Venezuela)

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

• Shallow, warm water below wave base, on a soft muddy bottom, with clear access to open ocean, and relatively far offshore. Low current activity (delicate structures are often preserved).
• Thin beds (5-15 cm) of slightly silty, dark gray limestone separated by thinner (ca. 1 cm) partings of gray siltstone. Texturally a wackestone.

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

Trilobita
 Proetida - Phillipsiidae
Anisopyge perannulata Shumard 1858 trilobite
Bivalvia
 Pectinida - Pseudomonotidae
Pseudomonotis sp. von Beyrich 1862 scallop
 Cardiidia - Sanguinolitidae
Sanguinolites sp. M'Coy 1844 clam
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
New high-spired genus and high-spired with changing spire angle
 Euomphalina - Euomphalidae
"Straparollus (Euomphalus) aff. kaibabensis" = Euomphalus kaibabensis
"Straparollus (Euomphalus) aff. kaibabensis" = Euomphalus kaibabensis Chronic 1952 snail
 Euomphalina - Microdomatidae
Glyptospira sp. Chronic 1952 snail
 Prosobranchia - Orthonematidae
Orthonema sp. Meek and Worthen 1862 snail
 Prosobranchia - Palaeostylidae
Kinishbia sp. Winters 1956 snail
 Bellerophontida -
Bellerophontoidea indet. M'Coy 1851 snail
 Bellerophontida - Bellerophontidae
Retispira sp. Knight 1945 snail
 Bellerophontida - Euphemitidae
Euphemites cf. exquisitus Yochelson 1960 snail
Euphemites aequisulcatus Chronic 1952 snail
 Neritoidea - Naticopsidae
Naticopsis sp. M'Coy 1844 snail
2 subgenera
 Murchisoniina - Gosseletinidae
Apachella sp. Winters 1956 snail
? Ananias sp. Knight 1945 snail
 Murchisoniina - Lophospiridae
Worthenia sp. de Koninck 1883 snail
 Murchisoniina - Soleniscidae
"Soleniscus" sp. Meek and Worthen 1860 snail
Cylindritopsis sp. Gemmellaro 1889 snail
Originally listed as Oncochilus
Cephalopoda
 Goniatitida - Vidrioceratidae
 Pseudorthocerida - Pseudorthoceratidae
cf. Mooreoceras sp. Miller et al. 1933
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Ramose forms
Stenolaemata
 Fenestrida - Fenestellidae
 Fenestrata -
Fenestrata indet. Astrova and Morozova 1956
Fenestellid forms
Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Columnals
Strophomenata
 Productida - Productellidae
Rugatia intermedia n. sp. Hoover 1981
Anemonaria sublaevis King 1931
Reflects minimum estimate based on valve ratios
 Productida - Linoproductidae
? Holotricharina "sp. A" Cooper and Grant 1975
 Orthotetida - Derbyiidae
Derbyia deltauriculata n. sp. Hoover 1981
Rhynchonellata
 Athyridida - Neoretziidae
Hustedia hyporhachis n. sp. Hoover 1981
 Athyridida - Athyrididae
Composita cf. pilula Cooper and Grant 1976
 Rhynchonellida -
 Rhynchonellida - Pontisiidae
Pontisia stehlii Cooper and Grant 1969
Anthozoa
 Favositida - Pachyporidae
? Acaciapora sp. Moore and Jeffords 1945 tabulate coral
 Stauriida - Lophophyllidiidae