GSC loc. C-080583, Graham Island (Jurassic to of Canada)

Where: British Columbia, Canada (53.4° N, 132.3° W: paleocoordinates 4.2° N, 126.4° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Phantom Creek Formation (Maude Group), Middle Toarcian to Middle Toarcian (182.0 - 175.6 Ma)

• Informal Radiolarian Zone 4 (within Variabilis and Thouarsense Ammonite Zone); meters indicate distance from base of Phantom Creek Fm

• bed-level stratigraphic resolution

Environment/lithology: open shallow subtidal; lithified, gray, green, calcareous sandstone

• high energy , shallow water environment
• lithology of sample: light gray to brownish gray limestone (fine to very fine calcarenite)

•lithology of sample/(sequence): gray-green weathering shale overlain by pale brown sandstone with minor shale interbeds and common buff weathering sandy limestone lenses

Size class: microfossils

Reposited in the GSC

• collected by B.E.B. Cameron, 1980; focus on radiolarians

Primary reference: E.S. Carter, B.E.B. Cameron, and P.L. Smith. 1988. Lower and Middle Jurassic radiolarian biostratigraphy and systematic paleontology, Queen Charlotte Islands, British Columbia. Geological Survey of Canada, Bulletin 386:1-109 [W. Kiessling/T. Schossleitner]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 71095: authorized by Wolfgang Kiessling, entered by Thomas Schossleitner on 18.04.2007, edited by Adam Kocsis

Creative Commons license: CC BY (attribution)

Taxonomic list

• rare: 1-2 specimens; common: 3-6 specimens; abundant: >6 specimens
Radiolaria
 Nassellaria - Spongolophophenidae
Maudia yakounense radiolarian
 Nassellaria - Hsuidae
Hsuum plectocostatum1 Gorican et al. 2006 radiolarian
Hsuum plectocostatum2 Gorican et al. 2006 radiolarian
"Hsuum optimus" = Hsuum optimum Carter et al. 1988 radiolarian
 Nassellaria - Tripedurnulidae
Turanta "sp. A" Pessagno and Blome 1982 radiolarian
Turanta morinae Pessagno and Blome 1982 radiolarian
Turanta ex gr. morinae1 Pessagno and Blome 1982 radiolarian
Turanta nodosa Pessagno and Blome 1982 radiolarian
 Nassellaria - Hilarisiregidae
"Rolumbus kiustaense n. sp." = Diceratigalea
"Rolumbus kiustaense n. sp." = Diceratigalea radiolarian
 Nassellaria - Ultranaporidae
Napora browni radiolarian
Napora aff. turgida radiolarian
Napora aff. cosmica Pessagno 1986 radiolarian
 Nassellaria - Parvicingulidae
Elodium cameroni radiolarian
Elodium nadenensis radiolarian
? Elodium mackenziei1 Gorican et al. 2006 radiolarian
? Elodium mackenziei2 Gorican et al. 2006 radiolarian
Canoptum cf. dixoni Pessagno and Whalen 1982 radiolarian
Parvicingula matura Pessagno and Whalen 1982 radiolarian
questionable occurence
 Entactinaria - Saturnalidae
Hexasaturnalis hexagonus1 Yao 1972 radiolarian
 Spumellaria - Angulobracchiidae
Paronaella porosa radiolarian
Paronaella "sp. E" Pessagno 1971 radiolarian
Paronaella tripla2 De Wever 1981 radiolarian
Paronaella skowkonaensis Carter 1988 radiolarian
Paronaella notabilis2 Whalen and Carter 2002 radiolarian
Paronaella corpulenta2 De Wever 1981 radiolarian
Paronaella grahamensis n. sp. Carter 1988 radiolarian
Paronaella aff. grahamensis Carter 1988 radiolarian
Bistarkum saginatum1 Yeh 1987 radiolarian
Bistarkum saginatum2 Yeh 1987 radiolarian
"? Amphibrachium phantomensis" = Bistarkum phantomense Carter et al. 1988 radiolarian
 Spumellaria - Gomberellidae
"Spongiostoma saccideon n. gen. n. sp." = Bernoullius saccideon, "Bernoullius saccideon" = Bernoullius saccideon2
"Spongiostoma saccideon n. gen. n. sp." = Bernoullius saccideon Carter et al. 1988 radiolarian
"Bernoullius saccideon" = Bernoullius saccideon2 Carter et al. 1988 radiolarian
 Spumellaria - Praeconocaryommidae
Praeconocaryomma aff. mamillaria RĂ¼st 1898 radiolarian
 Spumellaria - Emiluviidae
Emiluvia "sp. D" Foreman 1973 radiolarian
Tympaneides charlottensis n. gen. n. sp. Carter et al. 1988 radiolarian
 Spumellaria - Hagiastridae
Crucella mirabunda2 Whalen and Carter 2002 radiolarian
Crucella angulosa Carter 1988 radiolarian
in Carter et al.(2010): angulosa subsp.
Crucella squama2 Kozlova 1971 radiolarian
Archaeohagiastrum longipes1 Baumgartner 1995 radiolarian
Archaeohagiastrum longipes2 Baumgartner 1995 radiolarian
Pseudocrucella "sp. C" Baumgartner 1980 radiolarian
Pseudocrucella sanfilippoae Pessagno 1977 radiolarian
Hagiastrum majusculum1 Carter et al. 1998 radiolarian
Hagiastrum majusculum2 Carter et al. 1998 radiolarian
 Spumellaria - Actinommidae
? Staurosphaera amplissima Foreman 1973 radiolarian
 Spumellaria - Spongodiscidae
Spongodiscidae indet. Haeckel 1862 radiolarian
Spongotripus incomptus n. sp. radiolarian
 Spumellaria - Xiphostylidae
Triactoma jakobsae2 radiolarian
 Spumellaria -
Caltrop nodosum radiolarian
 Spumellaria - Stylosphaeridae
Staurolonche ellsi radiolarian
? Staurolonche "sp. A" Haeckel 1881 radiolarian
 Spumellaria - Orbiculiformidae
Orbiculiformella incognita2 Blome 1984 radiolarian
Spongostaurus cruciformis n. sp. radiolarian
 Spumellaria - Parvivaccidae
"? Acaeniotyle ghostensis" = Acaeniotylopsis ghostensis
"? Acaeniotyle ghostensis" = Acaeniotylopsis ghostensis Carter et al. 1988 radiolarian
 Spumellaria - Pseudoaulophacidae
? Alievium juskatlaensis n. sp. radiolarian
 Spumellaria - Patulibracchiidae
"Homeoparonaella reciproca" = Homoeoparonaella, "Homeoparonaella aff. argolidensis" = Homoeoparonaella
"Homeoparonaella reciproca" = Homoeoparonaella radiolarian
"Homeoparonaella aff. argolidensis" = Homoeoparonaella radiolarian