Summit Point reef, Oregon (Triassic of the United States)

Also known as Reef 48

Where: Wallowa Mountains County, Oregon (45.0° N, 117.2° W: paleocoordinates 21.6° N, 52.0° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Martin Bridge Formation, Norian (228.0 - 208.5 Ma)

• member-level stratigraphic resolution

Environment/lithology: reef, buildup or bioherm; lithified, gray reef rocks

• 33m of light gray, massive limestone (poorly sorted, bioclastic grainstone); cavities filled with reddish sediment and lined by cements and biogenic coatings

Size classes: macrofossils, mesofossils, microfossils

Preservation: recrystallized

Collection methods: mechanical, peel or thin section

Primary reference: G. D. Stanley and B. Senowbari-Daryan. 1986. Upper Triassic, Dachstein-Type, Reef Limestone from the Wallowa Mountains, Oregon: First Reported Occurence in the United States. Palaios 1:172-177 [W. Kiessling/B. Brenneis/B. Brenneis]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 38063: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 06.04.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
"Tabulozoa" indet.
Anthozoa
 Scleractinia - Pamiroseriidae
Pamiroseris sp.
Pamiroseris sp. Melnikova 1971 stony coral
 Scleractinia - Gablonzeriidae
Gablonzeria sp.
Gablonzeria sp. Cuif 1976 stony coral
 Scleractinia - Reimaniphylliidae
Distichophyllia norica, Retiophyllia cf. norica
Distichophyllia norica Frech 1890 stony coral
Retiophyllia cf. norica Frech 1890 stony coral
 Scleractinia - Thamnasteriidae
Thamnasteria sp.
Thamnasteria sp. LeSauvage 1823 stony coral
 Scleractinia - Procyclolitidae
Procyclolites sp.
Procyclolites sp. Frech 1890 stony coral
 Scleractinia - Astraeomorphidae
Astraeomorpha cf. crassisepta
Astraeomorpha cf. crassisepta Reuss 1854 stony coral
Hydrozoa
 Spongiomorphida - Spongiomorphidae
Spongiomorpha sp.
Spongiomorpha sp. Frech 1890
Demospongiae
 Verticillitida - Colospongiidae
Colospongia sp.
Colospongia sp. Laube 1865 demosponge
 Verticillitida - Salzburgiidae
? Salzburgia sp.
? Salzburgia sp. Senowbari-Daryan and Schaefer 1979 demosponge
 Lithistida - Anthaspidellidae
Stromatomorpha sp.
Stromatomorpha sp. Frech 1890 demosponge
 Hadromerida - Celyphiidae
"Follicatena irregularis" = Uvanella norica
"Follicatena irregularis" = Uvanella norica Senowbari-Daryan 1990 demosponge
 Agelasida - Solenolmiidae
? Paradeningeria sp.
? Paradeningeria sp. Senowbari-Daryan and Schäfer 1979 demosponge
 Agelasida - Sebargasiidae
Amblysiphonella sp.
Amblysiphonella sp. Steinmann 1882 demosponge
Calcarea
 Calcaronea - Stellispongiidae
Peronidella sp.
Peronidella sp. Hinde 1893 calcareous sponge
unclassified
  -
Echinodermata indet.
Deuteropoda
  -
Ostracoda indet.
Ostracoda indet. Latreille 1802 ostracod
Malacostraca
 Decapoda -
Palaxius sp.
Palaxius sp. Brönnimann and Norton 1960 decapod
Gastropoda
  -
Gastropoda indet.
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
Tubothalamea
 Miliolida - Cornuspiridae
Planiinvoluta sp.
 Miliolida - Milioliporidae
Miliolipora sp.
Foraminifera
  -
Ophthalmidium sp.
Ophthalmidium sp. Kübler and Zwingli 1870
 Textulariina - Coscinophragmatidae
? Alpinophragmium sp.
? Alpinophragmium sp. Flügel 1967
 Ammodiscoidea - Ammodiscidae
Tolypammina sp.
Tolypammina sp. Rhumbler 1895
Nodosariata
 Robertinida - Duostominidae
Diplotremina sp.
Rhodophyceae
  - Solenoporaceae
Solenoporaceae indet.
Cyanophyceae
  - Garwoodiaceae
Baccanella sp.
Baccanella sp. Pantic 1971