Mingan Islands, Champlain Valley, Day Point Fm.: Chazyan, Canada

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Ostracoda - Palaeocopida - Eurychilinidae
Eurychilina sp. Ulrich 1889
Trilobita - Harpetida - Harpetidae
Eoharpes sp. Raymond 1905
Trilobita - Asaphida - Asaphidae
Vogdesia sp. Raymond 1910
Basilicus sp. Salter 1849
Isotelus sp. Dekay 1824
2 species - originally entered as "Isotellus sp."
Homotelus sp. Raymond 1920
Trilobita - Trinucleida - Raphiophoridae
Lonchodomas sp. Angelin 1854
Trilobita - Corynexochida - Illaenidae
Bumastus sp. Murchison 1839
2 species
Trilobita - Phacopida - Cheiruridae
Kawina sp. Barton 1916
Sphaerexochus sp. Beyrich 1845
Trilobita - Phacopida - Pliomeridae
Pliomerops sp. Raymond 1905
Trilobita - Phacopida - Pterygometopidae
Calliops sp. Delo 1935
Gastropoda - Euomphalina - Macluritidae
Maclurites sp. Le Sueur 1818
Gastropoda - Euomphalina - Raphistomatidae
Raphistoma sp. Hall 1847
Gastropoda - Bellerophontida - Bucaniidae
Bucania sp. Hall 1847
Stenolaemata - Phylloporinidae
Phylloporina sp. Foerste 1887
originally entered as "Phylloprina sp."
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Rostricellula sp. Ulrich and Cooper 1942
Rhynchonellata - Rhynchonellida - Sphenotretidae
Sphenotreta sp.
Rhynchonellata - Pentamerida - Camerellidae
Camerella sp. Billings 1859
Rhynchonellata - Orthida - Plectorthidae
Mimella sp. Cooper 1930
common category
Rhynchonellata - Orthida - Hesperorthidae
Hesperorthis sp. Schuchert and Cooper 1931
Ptychopleurella sp. Schuchert and Cooper 1931
Rhynchonellata - Orthida - Orthidae
Orthambonites sp. Pander 1830
Rhynchonellata - Orthida - Plaesiomyidae
Valcourea sp. Raymond 1911
Multicostella sp.
Strophomenata - Strophomenida - Furcitellidae
Dactylogonia sp. Ulrich and Cooper 1942
Parablastoidea - Blastocystidae
Blastoidocrinus sp. Billings 1859
Eocrinoidea
Bolboporites sp. Pander 1830
common category
Eocrinoidea - Palaeocystitidae
Palaeocystites sp.
see common names

Geography
Country:Canada State/province:Quebec
Coordinates: 50.2° North, 63.5° West (view map)
Paleocoordinates:27.3° South, 46.7° West
Basis of coordinate:based on political unit
Geographic resolution:basin
Time
Period: Ordovician
10 m.y. bin: Ordovician 2-4
*Period:Middle Ordovician *Local age/stage:Chazyan
Key time interval: Chazyan
Age range of interval: 470 - 457 m.y. ago
* legacy (obsolete) database fields
Stratigraphy
Formation:Day Point
Stratigraphy comments: "early M.Ord., (Chazyan) (Champlanian, Montyan stage). not Ste. Therese Sltst."
Lithology and environment
Primary lithology:current ripples "limestone"
Environment:sand shoal
Geology comments: "locally highly x-bedded, sandy, coarse grained bioclastic ls, includes reefs, overlies laminated dolomitic sltst. w/lingulids"
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Taxonomic list comments:"H.J.Hofmann 1963. Ord. Chazy Group in southern Quebec. AAPG Bull. 47:270-301."
Metadata
Database number:305
Authorizer:J. Sepkoski Enterer:M. Sommers
Modifier:J. Ju Research group:marine invertebrate
Created:1998-11-20 10:07:18 Last modified:2017-01-02 05:06:48
Access level:the public Released:1998-11-20 10:07:18
Creative Commons license:CC BY
Reference information

Primary reference:
60945. H. J. Hofmann. 1963. Ordovician Chazy Group in southern Quebec. AAPG Bulletin 47:270-301 [M. Uhen/J. Ju/M. Uhen]