Cedar District Formation

{{Short description|Geologic formation in the Pacific Northwest}}

{{Infobox rockunit

| name = Cedar District Formation

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| caption =

| age = Campanian ~{{fossilrange|80}}

| period = Campanian

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| otherlithology =

| namedfor = Cedar District on Vancouver Island

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| underlies = Denman/De Courcy Formation

| thickness =

| extent =

| area = Southeastern Vancouver Island, Gulf Islands, San Juan Islands

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The Cedar District Formation is a geologic formation exposed on Vancouver Island, the Gulf Islands of British Columbia and San Juan Islands of Washington (state). It preserves fossils dating back to the Campanian Epoch of the Cretaceous period. It dates to the lower mid-Campanian.

Paleobiology

Suciacarpa starrii{{Cite journal |last1=Atkinson |first1=B. |year=2016 |title=Early diverging asterids of the Late Cretaceous: Suciacarpa starrii gen. et sp. nov. and the initial radiation of Cornales |journal= Botany |volume=94 |issue=9 |pages=759–771 |doi=10.1139/cjb-2016-0035|doi-access=free }}

Baculites rex{{cite journal |last1=Ward |first1=P |year=1978 |title=Baculitids from the Santonian-Maestrichtian Nanaimo Group, British Columbia, Canada and Washington State, USA. |journal=Journal of Paleontology |volume=52 |issue=5 |pages=1143–1154 |jstor=1303860}}
Baculites anceps
Baculites occidentalis
Baculites inornatus
Anapachydiscus nelchinensis
Metaplacenticeras sp.
Canadoceras newberryanum
Pachydiscus neevesi
Hoplitoplacenticeras vancouverense
Gaudryceras denmanense
Neophylloceras sp.
Condonella suciensis {{cite journal |last1=Roth |first1=B. |year=2000 |title=Upper Cretaceous (Campanian) land snails (Gastropoda: Stylommatophora) from Washington and California |journal=Journal of Molluscan Studies |volume=66 |issue=3 |pages=373–381 |doi=10.1093/mollus/66.3.373|doi-access=free }}
Ornithomimidae indet.{{cite journal |last1=Peecook |first1=B. |last2=Sidor |first2=C.|year=2015 |title=The First Dinosaur from Washington State and a Review of Pacific Coast Dinosaurs from North America |journal=PLOS ONE |volume=10 |issue=5 |pages=1–15 |doi=10.1371/journal.pone.0127792.g001 |url=http://journals.plos.org/plosone/article/asset?id=10.1371/journal.pone.0127792.PDF |doi-access=free }}
Theropoda indet. (possibly Tyrannosauridae)

{{cite web|title= Fossilworks: Gateway to the Paleobiology Database|author= ((Various Contributors to the Paleobiology Database))|url= https://www.fossilworks.org|access-date= 17 December 2021}}