Spring Creek, Hells Canyon (Triassic of the United States)

Also known as Reef 3323

Where: Oregon (45.1° N, 116.8° W: paleocoordinates 19.3° N, 53.0° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Martin Bridge Limestone Formation, Lacian (221.5 - 215.6 Ma)

• age based on ammonite Trophiceltites cf. columbianus

• group of beds-level stratigraphic resolution

Environment/lithology: perireef or subreef; lithified limestone

• associated bedded limestone includes a variety of shallow-water microfacies, reef structure is absent
• bioclastic beds with silicified fossils about 1.2m thick

Size class: macrofossils

Preservation: recrystallized, replaced with silica

Collection methods: chemical

Primary reference: G. D. Stanley, jr. and M. T. Whalen. 1989. Triassic Corals and Spongiomorphs from Hells Canyon, Wallowa Terrane, Oregon. Journal of Paleontology 63(6):800-819 [W. Kiessling/B. Brenneis/B. Brenneis]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 38055: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 04.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Demospongiae
 Verticillitida - Colospongiidae
"Colospongia whaleni n. sp." = Hajarispongia whaleni
"Colospongia whaleni n. sp." = Hajarispongia whaleni Senowbari-Daryan and Stanley, jr 1988 demosponge
 Agelasida - Sebargasiidae
Amblysiphonella cf. steinmanni
Amblysiphonella cf. steinmanni Haas 1909 demosponge
Hydrozoa
 Spongiomorphida - Spongiomorphidae
Spongiomorpha tenuis, Heptastylis oregonensis
Anthozoa
 Scleractinia - Microsolenidae
"Spongiomorpha ramosa" = Eocomoseris ramosa
"Spongiomorpha ramosa" = Eocomoseris ramosa Frech 1890 stony coral
 Scleractinia - Reimaniphylliidae
Retiophyllia dawsoni, "Pinacophyllum cf. parviseptum" = Retiophyllia parviseptum, Distichophyllia norica, Kuhnastraea incrassata, Kuhnastraea decussata
Retiophyllia dawsoni Clapp and Shimer 1911 stony coral
"Pinacophyllum cf. parviseptum" = Retiophyllia parviseptum Squires 1956 stony coral
Distichophyllia norica Frech 1890 stony coral
Kuhnastraea incrassata Frech 1890 stony coral
Kuhnastraea decussata Reuss 1854 stony coral
[entered as Kuhnastraea descussata]
 Scleractinia - Gablonzeriidae
Gablonzeria profunda
Gablonzeria profunda Reuss 1854 stony coral
 Scleractinia - Stylophyllidae
"Coccophyllum cf. acanthophorum" = Anthostylis acanthophora, Stylophyllopsis cf. lindstroemi, Stylophyllopsis cf. rudis, Meandrostylis grandiseptus n. sp.
"Coccophyllum cf. acanthophorum" = Anthostylis acanthophora Frech 1890 stony coral
Stylophyllopsis cf. lindstroemi Frech 1890 stony coral
Stylophyllopsis cf. rudis Emmrich 1853 stony coral
Meandrostylis grandiseptus n. sp. Stanley and Whalen 1989 stony coral
 Scleractinia - Actinastreidae
"Cyathocoenia paradoxa" = Chondrocoenia paradoxa
"Cyathocoenia paradoxa" = Chondrocoenia paradoxa Melnikova 1968 stony coral
 Scleractinia - Pinacophyllidae
Cyathocoenia cf. gerthi, Cyathocoenia sp.
Cyathocoenia sp. Duncan 1867 stony coral
 Scleractinia - Thamnasteriidae
Recticostastraea wallowaensis n. gen. n. sp.
Recticostastraea wallowaensis n. gen. n. sp. Stanley, jr and Whalen 1989 stony coral
 Scleractinia - Cuifastraeidae
Cuifastraea granulata
Cuifastraea granulata Melnikova 1983 stony coral
 Scleractinia - Guembelastraeidae
Stuoresia cf. libratosepta
 Scleractinia - Astraeomorphidae
Astraeomorpha crassisepta
Astraeomorpha crassisepta Reuss 1854 stony coral
 Scleractinia - Montlivaltiidae
Margarastraea pulchra
Margarastraea pulchra Montanaro-Gallitelli et al. 1979 stony coral
 Scleractinia - Pamiroseriidae
"Kuhnastraea cowichanensis" = Ampakabastraea cowichanensis, "Rhaetiastraea cf. vesiculosa" = Crassistella vesiculosa, Pamiroseris meriani
"Kuhnastraea cowichanensis" = Ampakabastraea cowichanensis Clapp and Shimer 1911 stony coral
"Rhaetiastraea cf. vesiculosa" = Crassistella vesiculosa Melnikova 1986 stony coral
Pamiroseris meriani Stoppani 1865 stony coral