BPW80-15A, San Hipolito Fm, Vizcaino Peninsula, Baja California Sur (Jurassic of Mexico)

Where: Baja California Sur, Mexico (26.0° N, 111.0° W: paleocoordinates 12.3° N, 53.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: San Hipolito Formation, Pliensbachian (190.8 - 182.7 Ma)

• bed-level stratigraphic resolution

Environment/lithology: slope; tuffaceous, brown, gray, green sandstone and tuffaceous, gray, silty lime mudstone

• thin to medium-bedded, poorly sorted, olive grey to light greenish brown, tuffaceous sandstone interbedded with silty and cherty tuffs and silty, tuffaceous, light grey limestone; sample from light grey slightly silty micritic limestone bed

Size class: microfossils

Preservation: original silica

Primary reference: P. A. Whalen and E.S. Carter. 2002. Pliensbachian (Lower Jurassic) Radiolaria from Baja California Sur, Mexico. Micropaleontology 48(2):97-151 [A. Miller/K. Layou/K. Layou]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 33560: authorized by Arnold Miller, entered by Karen Layou on 03.08.2003, edited by Adam Kocsis

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Protozoa
 Spumellaria - Hagiastridae
Crucella squama, Crucella mirabunda
Crucella squama Kozlova 1971 radiolarian
Crucella mirabunda Whalen and Carter 2002 radiolarian
 Spumellaria - Archaeospongoprunidae
Archaeospongoprunum coyotense
Archaeospongoprunum coyotense Whalen and Carter 2002 radiolarian
 Spumellaria - Orbiculiformidae
"Orbiculiformella kwunaensis" = Orbiculiformella callosa
"Orbiculiformella kwunaensis" = Orbiculiformella callosa Yeh 1987 radiolarian
 Spumellaria - Pantanelliidae
Pantanellium "sp. E", Pantanellium inornatum, Gorgansium gongyloideum
Pantanellium "sp. E" Pessagno 1977 radiolarian
Pantanellium inornatum Pessagno and Poisson 1981 radiolarian
 Spumellaria - Angulobracchiidae
Paronaella corpulenta, Cyclastrum asuncionense, Cyclastrum scammonense, Cyclastrum veracruzense
Paronaella corpulenta De Wever 1981 radiolarian
radiolarian species
Cyclastrum asuncionense Whalen and Carter 2002 radiolarian
Cyclastrum scammonense Whalen and Carter 2002 radiolarian
Cyclastrum veracruzense Whalen and Carter 2002 radiolarian
 Spumellaria - Patulibracchiidae
Homoeoparonaella lowryensis
Homoeoparonaella lowryensis Whalen and Carter 2002 radiolarian
 Nassellaria - Bagotidae
Bagotum funiculum, Bagotum modestum
Bagotum funiculum Whalen and Carter 2002 radiolarian
Bagotum modestum Pessagno and Whalen 1982 radiolarian
 Nassellaria - Parvicingulidae
Canoptum dixoni
Canoptum dixoni Pessagno and Whalen 1982 radiolarian