Demascota well, Nova Scotia, Canada (Cretaceous of Canada)

Also known as Reef 114

Where: Nova Scotia, Canada (43.7° N, 60.8° W: paleocoordinates 35.2° N, 13.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Artimon Member (Abenaki Formation), Valanginian (139.8 - 132.9 Ma)

• Perhaps ranging into Hauterivian, core 1 (3422.2-3429.3 m)

• group of beds-level stratigraphic resolution

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

• Sponge mound facies in 7-30 m thick interval

Size classes: macrofossils, mesofossils

Collection methods: peel or thin section,

Primary reference: L. Eliuk and R. Levesque. 1989. Earliest Cretaceous sponge reef mounds, Nova Scotia Shelf (Shell Demascotia). In H. H. J. Geldsetzer, N. P. James, and G. E. Tebbutt (eds.), Reefs, Canada and adjacent areas. Canadian Soc. Petrol. Geologists, Memoir 13:713-720 [W. Kiessling/W. Kiessling/W. Kiessling]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 45348: authorized by Wolfgang Kiessling, entered by Wolfgang Kiessling on 20.10.2004, edited by Uta Merkel

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Foraminifera
 Involutinina - Involutinidae
 Involutinina - Trocholinidae
 Loftusiacea - Cyclamminidae
Nodosariata
 Vaginulinida - Vaginulinidae
Rhodophyceae
  -
Rhodophyceae indet. Ruprecht 1851
Protozoa
 Calpionellida -
Anthozoa
 Hexacorallia -
Scleractinia indet. Bourne 1900 stony coral
delicate oculinid?
Hydrozoa
  -
Hydrozoa indet. Owen 1843
  - Nigriporellidae
? Tubiphytes sp. Maslov 1956
Hexactinellida
  -
Hexactinellida indet. Schmidt 1870 glass sponge
Disjectopora
  - Disjectoporidae
Disjectopora sp. Waagen and Wentzel 1888
Demospongiae
 Hadromerida - Suberitidae
 Agelasida - Sestrostomellidae
Sestrostomella canadensis n. sp. demosponge
 Tetralithistida - Theonellidae
Eustrobilus sp. Schrammen 1910 demosponge
 Lithistida -
? Gillettia sp. Lagneau-Herenger 1962 demosponge
Gilletia?
 Lithistida - Astylospongiidae
Stromatoporoidea
  -
Sphaeractinia steinmanni stromatoporoid sponge
Ellipsactinia sp. stromatoporoid sponge
Cylicopsis verticalis stromatoporoid sponge
Cyclicopsis verticalis
Gastropoda
  -
Gastropoda indet. Cuvier 1795 snail
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Deuteropoda
  -
Ostracoda indet. Latreille 1802 ostracod
Cyanophyceae
  -