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
  -
 Involutinina - Involutinidae
 Involutinina - Trocholinidae
Textulariina
 Loftusiacea - Cyclamminidae
Lagenina
 Nodosariacea - Nodosariidae
Ostracoda
  -
Ostracoda indet. Latreille 1802 ostracod
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Polychaeta
 Sabellida - Serpulidae
Serpulidae indet. Rafinesque 1835
Bivalvia
  -
Bivalvia indet. Linnaeus 1758 clam
Gastropoda
  -
Gastropoda indet. Cuvier 1797 snail
Bryozoa
  -
Bryozoa indet. Ehrenberg 1831
Demospongea
 Axinellida -
 Tabulospongida -
 Tetralithistida - Theonellidae
Eustrobilus sp. Schrammen 1910 demosponge
 Tetralithistida - Corallistidae
? Gillettia sp. demosponge
Gilletia?
 Lithistida - Astylospongiidae
 Agelasida - Sestrostomellidae
Sestrostomella canadensis n. sp. demosponge
Disjectopora
  - Disjectoporidae
Disjectopora sp. Waagen and Wentzel 1888
Hexactinellida
  -
Hexactinellida indet. Schmidt 1870 glass sponge
Hydrozoa
  -
Hydrozoa indet. Owen 1843
 Spongiomorphida - Spongiomorphidae
Cylicopsis verticalis
Cyclicopsis verticalis
Anthozoa
 Zoantharia -
Scleractinia indet. Bourne 1900 stony coral
delicate oculinid?
 Calpionellida -
Rhodophyceae
  -
Rhodophyceae indet. Ruprecht 1851
Nigriporellidae
  - Nigriporellidae