Douglas Pass Fossils, July 2005
Click on any photo to see a larger version

Possible new fern species for\nGreen River Formation\nDouglas Pass\nSpec #: SW00250\nLoc #: DOUGYS\nDate: 7/2005\nDONATED to \nDenver Museum of Nature & Science

Possible new fern species for
Green River Formation
Douglas Pass
Spec #: SW00250
Loc #: DOUGYS
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Plant with attachments\n(see leaves top-right and bottom-right,\nand possible fruit center-right)\nGreen River Formation\nDouglas Pass\nSpec #: SW00251\nLoc #: DOUGYS\nDate: 7/2005

Plant with attachments
(see leaves top-right and bottom-right,
and possible fruit center-right)
Green River Formation
Douglas Pass
Spec #: SW00251
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00252\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00252
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00253\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00253
Loc #: DOUGYS
Date: 7/2005

Populus wilmattae\nBEFORE SCRIBING\nGreen River Formation\nDouglas Pass\nSpec #: SW00254\nLoc #: DOUGYS\nDate: 7/2005

Populus wilmattae
BEFORE SCRIBING
Green River Formation
Douglas Pass
Spec #: SW00254
Loc #: DOUGYS
Date: 7/2005

Populus wilmattae\nAFTER SCRIBING\nGreen River Formation\nDouglas Pass\nSpec #: SW00254\nLoc #: DOUGYS\nDate: 7/2005

Populus wilmattae
AFTER SCRIBING
Green River Formation
Douglas Pass
Spec #: SW00254
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00255\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00255
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00256\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00256
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00257\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00257
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00258\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00258
Loc #: DOUGYS
Date: 7/2005

Unknown, possibly:\nGreen River Morphotype: PC045\n - OR - \nGreen River Morphotype: PC048\nDouglas Pass\nSpec #: SW00259\nLoc #: DOUGYS\nDate: 7/2005

Unknown, possibly:
Green River Morphotype: PC045
- OR -
Green River Morphotype: PC048
Douglas Pass
Spec #: SW00259
Loc #: DOUGYS
Date: 7/2005

Possible new species for\nGreen River Formation\nDouglas Pass\nSpec #: SW00260\nLoc #: DOUGYS\nDate: 7/2005\nDONATED to \nDenver Museum of Nature & Science

Possible new species for
Green River Formation
Douglas Pass
Spec #: SW00260
Loc #: DOUGYS
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Green River Formation\nDouglas Pass\nSpec #: SW00261\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00261
Loc #: DOUGYS
Date: 7/2005

Possibly Green River Morphotype: PC168\nAFTER SCRIBING\nGreen River Formation\nDouglas Pass\nSpec #: SW00262\nLoc #: DOUGYS\nDate: 7/2005

Possibly Green River Morphotype: PC168
AFTER SCRIBING
Green River Formation
Douglas Pass
Spec #: SW00262
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00263\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00263
Loc #: DOUGYS
Date: 7/2005

Unknown, possibly rare new species for \nGreen River Formation or better specimen of\nGreen River Morphotype: PC084 or PC166?\nCatkin with multiple fruiting bodies.\n(also note insects)\nGreen River Formation\nDouglas Pass\nSpec #: SW00264\nLoc #: DOUGYS\nDate: 7/2005\nDONATED to \nDenver Museum of Nature & Science

Unknown, possibly rare new species for
Green River Formation or better specimen of
Green River Morphotype: PC084 or PC166?
Catkin with multiple fruiting bodies.
(also note insects)
Green River Formation
Douglas Pass
Spec #: SW00264
Loc #: DOUGYS
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Green River Formation\nDouglas Pass\nSpec #: SW00265\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00265
Loc #: DOUGYS
Date: 7/2005

Unknown plant with attachments\nPossibly new species for Green River Formation\nNote over 100 insects\nGreen River Formation\nDouglas Pass\nSpec #: SW00266\nLoc #: DOUGYS\nDate: 7/2005\nDONATED to \nDenver Museum of Nature & Science

Unknown plant with attachments
Possibly new species for Green River Formation
Note over 100 insects
Green River Formation
Douglas Pass
Spec #: SW00266
Loc #: DOUGYS
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Over 100 insects, nice leaf\nGreen River Formation\nDouglas Pass\nSpec #: SW00266\nLoc #: DOUGYS\nDate: 7/2005

Over 100 insects, nice leaf
Green River Formation
Douglas Pass
Spec #: SW00266
Loc #: DOUGYS
Date: 7/2005

Unknown plant, plus insect\nGreen River Formation\nDouglas Pass\nSpec #: SW00267\nLoc #: DOUGYS\nDate: 7/2005

Unknown plant, plus insect
Green River Formation
Douglas Pass
Spec #: SW00267
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00268\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00268
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00269\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00269
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00270\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00270
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00271\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00271
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00272\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00272
Loc #: DOUGYS
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00273\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00273
Loc #: DOUGYS
Date: 7/2005

Cardiospermum coloradensis\nGreen River Morphotype: PC011\nGreen River Formation\nDouglas Pass\nSpec #: SW00274\nLoc #: DOUGYS\nDate: 7/2005

Cardiospermum coloradensis
Green River Morphotype: PC011
Green River Formation
Douglas Pass
Spec #: SW00274
Loc #: DOUGYS
Date: 7/2005

AFTER SCRIBING\nUnknown (Monocot?)\nGreen River Formation\nDouglas Pass\nSpec #: SW00275\nLoc #: DOUGYS\nDate: 7/2005

AFTER SCRIBING
Unknown (Monocot?)
Green River Formation
Douglas Pass
Spec #: SW00275
Loc #: DOUGYS
Date: 7/2005

Azolla berryi\nGreen River Formation\nDouglas Pass\nSpec #: SW00276\nLoc #: DOUGYS\nDate: 7/2005

Azolla berryi
Green River Formation
Douglas Pass
Spec #: SW00276
Loc #: DOUGYS
Date: 7/2005

Unknown (seed?)\nInsects on right (note insect eyes)\nGreen River Formation\nDouglas Pass\nSpec #: SW00277\nLoc #: DOUGYS\nDate: 7/2005

Unknown (seed?)
Insects on right (note insect eyes)
Green River Formation
Douglas Pass
Spec #: SW00277
Loc #: DOUGYS
Date: 7/2005

Unknown, possibly new species for Green River\nGreen River Formation\nDouglas Pass\nSpec #: SW00278\nLoc #: DOUGYS\nDate: 7/2005\nDONATED to\nDenver Museum of Nature & Science

Unknown, possibly new species for Green River
Green River Formation
Douglas Pass
Spec #: SW00278
Loc #: DOUGYS
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Green River Formation\nDouglas Pass\nSpec #: SW00279\nLoc #: DOUGYS\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00279
Loc #: DOUGYS
Date: 7/2005

BEFORE SCRIBING\nPossible new species for\nGreen River Formation\nDouglas Pass\nSpec #: SW00295\nLoc #: DOUGQ2\nDate: 7/2005\n"Note nice organic material before scribing"\nDONATED to\nDenver Museum of Nature & Science

BEFORE SCRIBING
Possible new species for
Green River Formation
Douglas Pass
Spec #: SW00295
Loc #: DOUGQ2
Date: 7/2005
"Note nice organic material before scribing"
DONATED to
Denver Museum of Nature & Science

Green River Formation\nDouglas Pass\nSpec #: SW00296\nLoc #: DOUGQ2\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00296
Loc #: DOUGQ2
Date: 7/2005

Unknown, possibly new species for\nGreen River Formation or\nGreen River Morphotype: PC208\nDouglas Pass\nSpec #: SW00297\nLoc #: DOUGQ2\nDate: 7/2005\nDONATED to\nDenver Museum of Nature & Science

Unknown, possibly new species for
Green River Formation or
Green River Morphotype: PC208
Douglas Pass
Spec #: SW00297
Loc #: DOUGQ2
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Cedrelospermum nervosum (?)\nGreen River Morphotype: PC015\nFamily: Ulmaceae, Order: Urticales\nUnknown, possibly:\nDouglas Pass\nSpec #: SW00298\nLoc #: DOUGQ2\nDate: 7/2005

Cedrelospermum nervosum (?)
Green River Morphotype: PC015
Family: Ulmaceae, Order: Urticales
Unknown, possibly:
Douglas Pass
Spec #: SW00298
Loc #: DOUGQ2
Date: 7/2005

Possibly Lycopod\nIsoetites horridus (Dawson) Brown (?)\nGreen River Morphotype: PC067 (?)\nDouglas Pass\nSpec #: SW00299\nLoc #: DOUGQ2\nDate: 7/2005

Possibly Lycopod
Isoetites horridus (Dawson) Brown (?)
Green River Morphotype: PC067 (?)
Douglas Pass
Spec #: SW00299
Loc #: DOUGQ2
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00300\nLoc #: DOUGQ2\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00300
Loc #: DOUGQ2
Date: 7/2005

Winged Seed/Fruit\nCedrelospermum nervosum (Newberry) Manchester\nGreen River Morphotype: PC024\nGreen River Formation\nDouglas Pass\nSpec #: SW00301\nLoc #: DOUGQ2\nDate: 7/2005

Winged Seed/Fruit
Cedrelospermum nervosum (Newberry) Manchester
Green River Morphotype: PC024
Green River Formation
Douglas Pass
Spec #: SW00301
Loc #: DOUGQ2
Date: 7/2005

Very large Equisetum\nSee: Equisetum winchesteri Brown\nGreen River Morphotype: PC016\nFamily: Equisetaceae, Order: Equisetales\nGreen River Formation\nDouglas Pass\nSpec #: SW00302\nLoc #: DOUGQ2\nDate: 7/2005

Very large Equisetum
See: Equisetum winchesteri Brown
Green River Morphotype: PC016
Family: Equisetaceae, Order: Equisetales
Green River Formation
Douglas Pass
Spec #: SW00302
Loc #: DOUGQ2
Date: 7/2005

BEFORE SCRIBING\nPossible new species for\nGreen River Formation\nDouglas Pass\nSpec #: SW00303\nLoc #: DOUGQ2\nDate: 7/2005\nDONATED to\nDenver Museum of Nature & Science

BEFORE SCRIBING
Possible new species for
Green River Formation
Douglas Pass
Spec #: SW00303
Loc #: DOUGQ2
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

AFTER SCRIBING\nPossible new species for\nGreen River Formation\nDouglas Pass\nSpec #: SW00303\nLoc #: DOUGQ2\nDate: 7/2005\nDONATED to\nDenver Museum of Nature & Science

AFTER SCRIBING
Possible new species for
Green River Formation
Douglas Pass
Spec #: SW00303
Loc #: DOUGQ2
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Green River Formation\nDouglas Pass\nSpec #: SW00304\nLoc #: DOUGQ2\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00304
Loc #: DOUGQ2
Date: 7/2005

Partial leaf:\nLygodium kaulfussii Heer (?)\nGreen River Morphotype: PC010\nGreen River Formation\nDouglas Pass\nSpec #: SW00305\nLoc #: DOUGQ2\nDate: 7/2005

Partial leaf:
Lygodium kaulfussii Heer (?)
Green River Morphotype: PC010
Green River Formation
Douglas Pass
Spec #: SW00305
Loc #: DOUGQ2
Date: 7/2005

Unknown plant debris.\nNote partial fruit seed near bottom\n(triangular shapes)\nGreen River Formation\nDouglas Pass\nSpec #: SW00306\nLoc #: DOUGQ2\nDate: 7/2005

Unknown plant debris.
Note partial fruit seed near bottom
(triangular shapes)
Green River Formation
Douglas Pass
Spec #: SW00306
Loc #: DOUGQ2
Date: 7/2005

Green River Formation\nDouglas Pass\nSpec #: SW00307\nLoc #: DOUGQ2\nDate: 7/2005

Green River Formation
Douglas Pass
Spec #: SW00307
Loc #: DOUGQ2
Date: 7/2005

Insect: Dragonfly tail\nGreen River Formation\nDouglas Pass\nSpec #: SW00280\nLoc #: DOUGYS\nDate: 7/2005

Insect: Dragonfly tail
Green River Formation
Douglas Pass
Spec #: SW00280
Loc #: DOUGYS
Date: 7/2005

Insect(s)\nGreen River Formation\nDouglas Pass\nSpec #: SW00281\nLoc #: DOUGYS\nDate: 7/2005

Insect(s)
Green River Formation
Douglas Pass
Spec #: SW00281
Loc #: DOUGYS
Date: 7/2005

Insect(s)\nGreen River Formation\nDouglas Pass\nSpec #: SW00281\nLoc #: DOUGYS\nDate: 7/2005

Insect(s)
Green River Formation
Douglas Pass
Spec #: SW00281
Loc #: DOUGYS
Date: 7/2005

Beetle\nGreen River Formation\nDouglas Pass\nSpec #: SW00282\nLoc #: DOUGYS\nDate: 7/2005

Beetle
Green River Formation
Douglas Pass
Spec #: SW00282
Loc #: DOUGYS
Date: 7/2005

Insect\nGreen River Formation\nDouglas Pass\nSpec #: SW00283\nLoc #: DOUGYS\nDate: 7/2005

Insect
Green River Formation
Douglas Pass
Spec #: SW00283
Loc #: DOUGYS
Date: 7/2005

Insect\nGreen River Formation\nDouglas Pass\nSpec #: SW00284\nLoc #: DOUGYS\nDate: 7/2005

Insect
Green River Formation
Douglas Pass
Spec #: SW00284
Loc #: DOUGYS
Date: 7/2005

Insects\nGreen River Formation\nDouglas Pass\nSpec #: SW00285\nLoc #: DOUGYS\nDate: 7/2005

Insects
Green River Formation
Douglas Pass
Spec #: SW00285
Loc #: DOUGYS
Date: 7/2005

Insect\nGreen River Formation\nDouglas Pass\nSpec #: SW00286\nLoc #: DOUGYS\nDate: 7/2005

Insect
Green River Formation
Douglas Pass
Spec #: SW00286
Loc #: DOUGYS
Date: 7/2005

Insects, some of the best preserved\nspecimens I've ever found.\nGreen River Formation\nDouglas Pass\nSpec #: SW00287\nLoc #: DOUGYS\nDate: 7/2005

Insects, some of the best preserved
specimens I've ever found.
Green River Formation
Douglas Pass
Spec #: SW00287
Loc #: DOUGYS
Date: 7/2005

Insect\nGreen River Formation\nDouglas Pass\nSpec #: SW00288\nLoc #: DOUGYS\nDate: 7/2005

Insect
Green River Formation
Douglas Pass
Spec #: SW00288
Loc #: DOUGYS
Date: 7/2005

Insect\nGreen River Formation\nDouglas Pass\nSpec #: SW00289\nLoc #: DOUGYS\nDate: 7/2005

Insect
Green River Formation
Douglas Pass
Spec #: SW00289
Loc #: DOUGYS
Date: 7/2005

Insect\nGreen River Formation\nDouglas Pass\nSpec #: SW00290\nLoc #: DOUGYS\nDate: 7/2005

Insect
Green River Formation
Douglas Pass
Spec #: SW00290
Loc #: DOUGYS
Date: 7/2005

Insect, note eyes\nGreen River Formation\nDouglas Pass\nSpec #: SW00291\nLoc #: DOUGYS\nDate: 7/2005

Insect, note eyes
Green River Formation
Douglas Pass
Spec #: SW00291
Loc #: DOUGYS
Date: 7/2005

Insects\nGreen River Formation\nDouglas Pass\nSpec #: SW00292\nLoc #: DOUGYS\nDate: 7/2005

Insects
Green River Formation
Douglas Pass
Spec #: SW00292
Loc #: DOUGYS
Date: 7/2005

Insects, note wings on lower right specimen\nGreen River Formation\nDouglas Pass\nSpec #: SW00293\nLoc #: DOUGYS\nDate: 7/2005

Insects, note wings on lower right specimen
Green River Formation
Douglas Pass
Spec #: SW00293
Loc #: DOUGYS
Date: 7/2005

Bird feather (?)\nGreen River Formation\nDouglas Pass\nSpec #: SW00294\nLoc #: DOUGYS\nDate: 7/2005

Bird feather (?)
Green River Formation
Douglas Pass
Spec #: SW00294
Loc #: DOUGYS
Date: 7/2005

Possible new species for\nGreen River Formation\nDouglas Pass\nLoc #: DOUGQ2\nDate: 7/2005\nCollector: Tom Nelson\nDONATED to\nDenver Museum of Nature & Science

Possible new species for
Green River Formation
Douglas Pass
Loc #: DOUGQ2
Date: 7/2005
Collector: Tom Nelson
DONATED to
Denver Museum of Nature & Science

Possible new species for\nGreen River Formation\nDouglas Pass\nLoc #: DOUGQ2\nDate: 7/2005\nCollector: Tom Nelson\nDONATED to\nDenver Museum of Nature & Science

Possible new species for
Green River Formation
Douglas Pass
Loc #: DOUGQ2
Date: 7/2005
Collector: Tom Nelson
DONATED to
Denver Museum of Nature & Science

Fern, possible new species for \nGreen River Formation\nSee "Common Fossil Plants of Western North America"\n2nd Ed., Plate 28, Fig 1\nCollector: Jesse Ellis\nGreen River Formation\nDouglas Pass\nLoc #: DOUGQ2\nDate: 7/2005\nDONATED to\nDenver Museum of Nature & Science

Fern, possible new species for
Green River Formation
See "Common Fossil Plants of Western North America"
2nd Ed., Plate 28, Fig 1
Collector: Jesse Ellis
Green River Formation
Douglas Pass
Loc #: DOUGQ2
Date: 7/2005
DONATED to
Denver Museum of Nature & Science

Aleurites glandulosa (Brown) MacGinitie\nGreen River Morphotype: PC005\nFamily: Euphorbiaceae, Order: Euphorbiales\nCollector: Tom Nelson\nGreen River Formation\nDouglas Pass\nLoc #: DOUGQ2\nDate: 7/2005

Aleurites glandulosa (Brown) MacGinitie
Green River Morphotype: PC005
Family: Euphorbiaceae, Order: Euphorbiales
Collector: Tom Nelson
Green River Formation
Douglas Pass
Loc #: DOUGQ2
Date: 7/2005

Unknown\nPossibly Green River Morphotype: PC053\nCollector: Tom Nelson\nGreen River Formation\nDouglas Pass\nLoc #: DOUGQ2\nDate: 7/2005

Unknown
Possibly Green River Morphotype: PC053
Collector: Tom Nelson
Green River Formation
Douglas Pass
Loc #: DOUGQ2
Date: 7/2005

Macginitiea wyomingensis (Knowlton & Cockerell) Manchester\nFamily: Platanaceae, Order: Hammamelidales\nGreen River Morphotype: PC001\nCollector: Steven Reinhold\nGreen River Formation\nDouglas Pass\nLoc #: DOUGQ2\nDate: 7/2005

Macginitiea wyomingensis (Knowlton & Cockerell) Manchester
Family: Platanaceae, Order: Hammamelidales
Green River Morphotype: PC001
Collector: Steven Reinhold
Green River Formation
Douglas Pass
Loc #: DOUGQ2
Date: 7/2005

Rare Fern (?)\nSimilar to Green River Morphotype: PC120 or PC222\n(yet this has rectangular leaves)\nCollector: Tom Nelson\nGreen River Formation\nDouglas Pass\nLoc #: DOUGQ2\nDate: 7/2005\nDONATED to\nDenver Museum of Nature & Science

Rare Fern (?)
Similar to Green River Morphotype: PC120 or PC222
(yet this has rectangular leaves)
Collector: Tom Nelson
Green River Formation
Douglas Pass
Loc #: DOUGQ2
Date: 7/2005
DONATED to
Denver Museum of Nature & Science