Where: Alaska (61.5° N, 142.8° W: paleocoordinates 4.1° N, 74.2° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Chitistone Formation, Lacian (221.5 - 215.6 Ma)
• N. Wrangellia, Early Norian
• group of beds-level stratigraphic resolution
Environment/lithology: shallow subtidal; lithified limestone
Size class: macrofossils
Preservation: cast, mold/impression
Collection methods: peel or thin section,
Primary reference: A. H. Caruthers and G. D. Stanley , Jr. 2008. Systematic analysis of upper triassic silicified scleractinian corals from Wrangellia and the Alexander Terrane, Alaska and British Columbia. Journal of Paleontology 82(3):470-491 [W. Kiessling/A. Girndt]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 82662: authorized by Wolfgang Kiessling, entered by Antje Girndt on 31.07.2008, edited by Sarah Kolbe and Uta Merkel
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Margarosmilia confluens Münster 1841 stony coral
Distichomeandra "sp. B" Cuif 1976 stony coral | |
Retiophyllia obtusa, Retiophyllia dawsoni, "Retiophyllia clathrata" = Retiophyllia clathrata, "Thecosmilia wrangelliana n. sp." = Retiophyllia clathrata3, Retiophyllia cf. norica, Retiophyllia caespitosa, Retiophyllia tenuicosta, Retiophyllia parviseptum, Retiophyllia oppeli, Paracuifia jennieae, Kuhnastraea decussata, Distichophyllia norica, Distichophyllia melnikovae n. sp.3
Retiophyllia dawsoni Clapp and Shimer 1911 stony coral
Retiophyllia cf. norica Frech 1890 stony coral
Retiophyllia tenuicosta Reuss 1854 stony coral
Retiophyllia parviseptum Squires 1956 stony coral
Kuhnastraea decussata Reuss 1854 stony coral
Distichophyllia norica Frech 1890 stony coral | |
Gablonzeria profunda Reuss 1854 stony coral | |
Astraeomorpha crassisepta Reuss 1854 stony coral | |
| |
Pamiroseris meriani, Ampakabastraea cf. nodosa, "Kuhnastraea cowichanensis" = Ampakabastraea cowichanensis, Crassistella juvavica
Pamiroseris meriani Stoppani 1865 stony coral
"Kuhnastraea cowichanensis" = Ampakabastraea cowichanensis Clapp and Shimer 1911 stony coral
Crassistella juvavica Frech 1890 stony coral | |
Gastropoda | |
| |
Rhynchonellata | |
Zugmayerella americana2 Hoover 1991 |