Mats-Mats Bay (Eocene of the United States)

Also known as UCMP A-1808

Where: Jefferson County, Washington (48.0° N, 122.7° W: paleocoordinates 48.3° N, 110.3° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Quimper Formation, Priabonian (38.0 - 33.9 Ma)

• basal Quimper Sandstone

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified conglomerate and lithified sandstone

Size class: macrofossils

Primary reference: J. W. Durham. 1942. Eocene and Oligocene coral faunas of Washington. Journal of Paleontology 16(1):84-104 [W. Kiessling/U. Merkel]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 91607: authorized by Wolfgang Kiessling, entered by Uta Merkel on 06.10.2009, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Scaphopoda
 Dentaliida - Dentaliidae
Dentalium porterensis
Dentalium porterensis Weaver 1912 tusk shell
Bivalvia
 Cardiida - Mactridae
"Mactra packardi" = Pseudocardium packardi
"Mactra packardi" = Pseudocardium packardi Dickerson 1917 clam
 Solenida - Solenidae
Solen townsendensis
Solen townsendensis Clark 1925 clam
 Pectinida - Pectinoidae
"Pecten porterensis" = Vertipecten porterensis, "Pecten grunskyi" = Chlamys grunskyi
"Pecten porterensis" = Vertipecten porterensis Weaver 1912 scallop
"Pecten grunskyi" = Chlamys grunskyi Hertlein 1929 scallop
 Pectinida - Limidae
Lima bella
Lima bella Dickerson 1917 file clam
 Ostreida - Ostreidae
"Ostrea cf. idriaensis" = Acutostrea idriaensis
"Ostrea cf. idriaensis" = Acutostrea idriaensis Gabb 1869 oyster
subspecies feltkei
 Arcida - Cucullaeidae
"? Arca washingtoniana" = Tetrarca washingtoniana
"? Arca washingtoniana" = Tetrarca washingtoniana Dickerson 1917 clam
 Nuculida - Nuculidae
"Acila shumardi" = Acila (Truncacila) shumardi
"Acila shumardi" = Acila (Truncacila) shumardi Dall 1909 divaricate nutclam
 Nuculanida - Nuculanidae
"Nuculana washingtonensis" = Nuculana (Saccella) washingtonensis
"Nuculana washingtonensis" = Nuculana (Saccella) washingtonensis Weaver 1916 pointed nut clam
Gastropoda
 Sorbeoconcha - Bursidae
Olequahia lorenzana
Olequahia lorenzana Wagner and Schilling 1923 frog shell
 Sorbeoconcha - Cassidae
Echinophoria dalli
Echinophoria dalli Dickerson 1917 snail
 Sorbeoconcha - Ranellidae
Gyrineum jeffersonensis n. sp.
Gyrineum jeffersonensis n. sp. Durham 1944 triton shell
 Neogastropoda - Muricidae
Urosalpinx coombsi n. sp.
Urosalpinx coombsi n. sp. Durham 1944 murex snail
 Neogastropoda - Nassariidae
Molopophorus effingeri
Molopophorus effingeri Effinger 1938 snail
 Neogastropoda - Fasciolariidae
Perse olympicensis n. sp.
Perse olympicensis n. sp. Durham 1944 snail
 Neogastropoda - Conidae
Conus ruckmani
Conus ruckmani Dickerson 1917 cone shell
 Sorbeoconcha - Naticidae
Polinices wshingtonensis
 Epitonioidea - Epitoniidae
Epitonium condoni, Acrilla becki
Epitonium condoni Dall 1909 wentletrap
subspecies oregonensis
Acrilla becki Durham 1937 wentletrap
 Lepetellida - Fissurellidae
Puncturella barksdalei n. sp.
Puncturella barksdalei n. sp. Durham 1944 puncturella
 Heterostropha - Acteonidae
Acteon parvum
Acteon parvum Dickerson 1917 snail
Rhynchonellata
 Rhynchonellida - Hemithirididae
Hemithiris "sp. A"
Hemithiris "sp. A" d'Orbigny 1847
 Terebratulida - Terebratulidae
"? Terebratula oakvilleensis" = Gryphus oakvilleensis, Terebratula sp.
"? Terebratula oakvilleensis" = Gryphus oakvilleensis Weaver 1912
Terebratula sp. Müller 1776
Anthozoa
  -
Anthozoa indet.
Anthozoa indet. Ehrenberg 1834
 Scleractinia - Oculinidae
"Archohelia weaveri" = Petrophyllia weaveri
"Archohelia weaveri" = Petrophyllia weaveri Durham 1942 stony coral
 Scleractinia - Caryophylliidae
Trochocyathus townsendensis
Trochocyathus townsendensis Durham 1942 stony coral
 Scleractinia - Dendrophylliidae
Balanophyllia fulleri
Balanophyllia fulleri Durham 1942 stony coral
Hydrozoa
 Stylasterina -
Stylaster milleri
Stylaster milleri Durham 1942 lace coral