PBDB Collection

BPW80-14, 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 concretionary, 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 micritic calcareous concretion

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 33559: 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

unclassified
-	Paleosaturnalis "sp. A", Paleosaturnalis "sp. B" Paleosaturnalis "sp. A" Paleosaturnalis "sp. B"
Protozoa
Entactinaria - Saturnalidae	Pseudoheliodiscus aff. alpinus, Praehexasaturnalis tetraradiatus, Palaeosaturnalis tetraradiatus¹, Palaeosaturnalis "sp. B"², Palaeosaturnalis aff. liassicus² Pseudoheliodiscus aff. alpinus Kozur and Mostler 1990 radiolarian Praehexasaturnalis tetraradiatus Kozur and Mostler 1990 radiolarian Palaeosaturnalis tetraradiatus¹ radiolarian Palaeosaturnalis "sp. B"² Donofrio and Mostler 1978 radiolarian Palaeosaturnalis aff. liassicus² Kozur and Mostler 1990 radiolarian
Nassellaria -	Nassellaria indet. Nassellaria indet. Ehrenberg 1875 radiolarian
Nassellaria - Eucyrtidiidae	Stichocapsa "sp. A" Stichocapsa "sp. A" Haeckel 1881 radiolarian
Nassellaria - Farcidae	Farcus asperoensis Farcus asperoensis radiolarian
Nassellaria - Tripedurnulidae	Pseudopoulpus "sp. A" Pseudopoulpus "sp. A" Takemura 1986 radiolarian
Nassellaria - Syringocapsidae	Katroma clara, Podocapsa abreojosensis, Ducatus hipolitoensis Katroma clara Yeh 1987 radiolarian Podocapsa abreojosensis Whalen and Carter 2002 radiolarian Ducatus hipolitoensis Whalen and Carter 2002 radiolarian
Nassellaria - Parvicingulidae	Canoptum dixoni Canoptum dixoni Pessagno and Whalen 1982 radiolarian
Nassellaria - Hilarisiregidae	"Rolumbus halseyensis" = Diceratigalea halseyensis "Rolumbus halseyensis" = Diceratigalea halseyensis Pessagno et al. 1986 radiolarian
Nassellaria - Ultranaporidae	Naropa vi n. sp.² Naropa vi n. sp.² Gorican et al. 2006 radiolarian
Nassellaria -	Ares sutherlandi² Ares sutherlandi² Carter et al. 1998 radiolarian
Spumellaria - Angulobracchiidae	Cyclastrum asuncionense Cyclastrum asuncionense Whalen and Carter 2002 radiolarian
Spumellaria -	"Orbiculiformella sanpabloensis" = Beatricea sanpabloensis "Orbiculiformella sanpabloensis" = Beatricea sanpabloensis Whalen and Carter 2002 radiolarian
Spumellaria - Orbiculiformidae	"Orbiculiformella kwunaensis" = Orbiculiformella callosa "Orbiculiformella kwunaensis" = Orbiculiformella callosa Yeh 1987 radiolarian
Spumellaria - Hagiastridae	? Crucella "sp. A", Crucella squama, Crucella mirabunda ? Crucella "sp. A" Pessagno 1971 radiolarian Crucella squama Kozlova 1971 radiolarian Crucella mirabunda Whalen and Carter 2002 radiolarian
Spumellaria - Archaeospongoprunidae	Archaeospongoprunum coyotense Archaeospongoprunum coyotense Whalen and Carter 2002 radiolarian sensu Yeh
Spumellaria - Pantanelliidae	Pantanellium "sp. E", Pantanellium inornatum¹, Gorgansium gongyloideum Pantanellium "sp. E" Pessagno 1977 radiolarian Pantanellium inornatum¹ Pessagno and Poisson 1981 radiolarian Gorgansium gongyloideum radiolarian

¹Carter et al. 2010; ²Gorican et al. 2006