Also known as Reef 10
Where: Yukon, Canada (61.1° N, 134.9° W: paleocoordinates 27.7° N, 72.4° W)
• coordinate stated in text
• outcrop-level geographic resolution
When: Hancock Member (Aksala Formation), Norian (228.0 - 208.5 Ma)
• based on occurance of conodonts, Triassina oberhauseri and Microtubus communis
• group of beds-level stratigraphic resolution
Environment/lithology: reef, buildup or bioherm; lithified reef rocks
Size class: macrofossils
Preservation: recrystallized
Collection methods: peel or thin section
• Idientifications of Yarnell et al. are preliminary
Primary reference: B. Senowbari-Daryan and R. P. Reid. 1987. Upper Triassic sponges (Sphinctozoa) from southern Yukon, Stikinia terrane. Canadian Journal of Earth Sciences 24:882-902 [W. Kiessling/B. Brenneis/B. Brenneis]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 38033: authorized by Wolfgang Kiessling, entered by Benjamin Brenneis on 01.04.2004, edited by Wolfgang Kiessling and Sarah Kolbe
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
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Distichoflabellum sp.3, Retiophyllia sp.1, Retiophyllia oppeli3, Retiophyllia (cf. Retiophylla) robusta3, Retiophyllia norica3
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Hydrozoa | |
Spongiomorpha gibbosa Frech 1890 | |
Demospongiae | |
Yukonella rigbyi n. gen. n. sp., ? Yukonella sp.
Yukonella rigbyi n. gen. n. sp. demosponge | |
Polycystocoelia norica n. sp. demosponge | |
Paradeningeria alpina, "Dictyocoelia cf. manon" = Solenolmia manon
Paradeningeria alpina Senowbari-Daryan and Schaefer 1979 demosponge
"Dictyocoelia cf. manon" = Solenolmia manon Münster 1841 demosponge | |
Cryptocoelia zitteli Steinmann 1882 demosponge | |
Henricellum cf. insigne Wilckens 1937 demosponge | |
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? Salzburgia sp. Senowbari-Daryan and Schaefer 1979 demosponge | |
Colospongia cf. mennulensis Senowbari-Daryan and Schaefer 1986 demosponge
Colospongia dubia Münster 1841 demosponge | |
Uvanella irregularis, "Follicatena irregularis" = Uvanella norica
Uvanella irregularis Ott 1967 demosponge
"Follicatena irregularis" = Uvanella norica Senowbari-Daryan 1990 demosponge | |
Conodonta | |
Conodonta indet. conodont | |
Polychaeta | |
Bivalvia | |
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Foraminifera | |
"Triasina oberhauseri" = Aulosina oberhauseri
"Triasina oberhauseri" = Aulosina oberhauseri Koehn-Zaninetti and Broennimann 1968 listed as Triassina oberhauseri
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