Taman, MX-82-15A, Mexico (Jurassic to of Mexico)

Where: San Luis Potosi, Mexico (21.3° N, 98.8° W: paleocoordinates 15.2° N, 49.5° W)

• coordinate based on nearby landmark

• hand sample-level geographic resolution

When: Lower Member (Taman Formation), Early/Lower Oxfordian to Early/Lower Oxfordian (161.2 - 155.7 Ma)

• Zone 2 alpha1 - Revision of chronostraphic assignment based on Baumgartner et al. (1995)

• bed-level stratigraphic resolution

Environment/lithology: slope; lithified lime mudstone

• steep slope in bathyal to upper abyssal
• Limestone nodule in massive micritic limestone

Size class: microfossils

Preservation: original silica

Collection methods: bulk, hydrochloric,

• Radiolarians only

Primary reference: D. M. Hull. 1997. Upper Jurassic Tethyan and Southern Boreal radiolarians from western North America. Micropaleontology 43(S2):1-202 [W. Kiessling/W. Kiessling/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 50755: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 20.05.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Actinommacea - Xiphostylidae
Triactoma tenuspinea
Triactoma tenuspinea Yang 1993 radiolarian
 Nassellaria - Archaeodictyomitridae
Archaeodictyomitra sixi
Archaeodictyomitra sixi Yang 1993 radiolarian
 Nassellaria - Parvicingulidae
Ristola firma, ? Praeparvicingula discors
Ristola firma Hull 1995 radiolarian
? Praeparvicingula discors Yang 1993 radiolarian
 Nassellaria - Amphipyndacidae
Triversus cf. japonicus
 Nassellaria - Eucyrtidiidae
? Stichomitra matsuokai
 Nassellaria - Pseudodictyomitridae
"? Loopus cf. campbelli" = Loopus, "Candissa mexicana" = Loopus, Loopus cf. primitivus
"? Loopus cf. campbelli" = Loopus radiolarian
"Candissa mexicana" = Loopus radiolarian
Loopus cf. primitivus Matsuoka and Yao 1985 radiolarian
 Nassellaria - Ultranaporidae
Napora boneti, Napora heimi
Napora boneti radiolarian
Napora heimi radiolarian
 Entactinaria - Saturnalidae
"Acanthocircus protoformis" = Eospongosaturninus protoformis
"Acanthocircus protoformis" = Eospongosaturninus protoformis Yao 1972 radiolarian
 Entactinaria - Eptingiidae
Perispyridium tamanense
 Spumellaria - Pantanelliidae
Pantanellium parvulum, Pantanellium quintachillaense, Gorgansium sp., Protovallupus sp., Protovallupus tetlamaensis
Pantanellium parvulum Pessagno and MacLeod 1987 radiolarian
Pantanellium quintachillaense Pessagno and MacLeod 1987 radiolarian
Gorgansium sp. Pessagno and Blome 1980 radiolarian
Protovallupus sp. Pessagno and MacLeod 1987 radiolarian
Protovallupus tetlamaensis Pessagno and MacLeod 1987 radiolarian
 Spumellaria - Praeconocaryommidae
Praeconocaryomma scatebra
Praeconocaryomma scatebra Hull 1997 radiolarian
 Spumellaria - Parvivaccidae
Lanubus sp.
Lanubus sp. Pessagno and Yang 1989 radiolarian