Fossil Eggshell Collection
eggshell
SEARCH
Home
About
Advanced Search
Browse
More collections:
Fossil Tracks
Fossil Vertebrates
2920 Eggshell Results
Sort by:
Identifier
Title
Sort order:
Ascending
Descending
Start Over
has media:
Does not have media
no HEC# / no UCM#
Specimen Type:
Partial egg
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
see 418
Locality:
/ / / / /
2003004
Locality Formation:
Morrison
Locality Member:
Salt Wash
Locality Age:
207
no HEC # HYPSICLUTHCH
Specimen Type:
N/A
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Prismatic
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
98001
Specimen Type:
N/A
Class:
Dinosauria
Order:
Ornithischia
Family:
Ceratopsidae
Genus:
Triceratops
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
Lance
Locality Member:
N/A
Locality Age:
221
98000
Specimen Type:
N/A
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
97998
Specimen Type:
Shell Fragment, Shell Fragment
Class:
Reptilia
Order:
Testudines
Family:
Trionychidae
Genus:
Trionyx
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
97995
Specimen Type:
N/A
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Prismatic
Locality:
/ / /
69086
Locality Formation:
Willwood
Locality Member:
N/A
Locality Age:
N/A
97994
Specimen Type:
N/A
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
99039
Locality Formation:
Morrison
Locality Member:
Brushy Basin
Locality Age:
265
97993
Specimen Type:
Partial egg
Class:
Reptilia
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2003067
Locality Formation:
Djadokhta
Locality Member:
N/A
Locality Age:
220
97992
Specimen Type:
N/A
Class:
Reptilia
Order:
Saurischia
Family:
Troodontidae
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
Two Medicine
Locality Member:
N/A
Locality Age:
265
97991
Specimen Type:
Partial egg
Class:
Reptilia
Order:
Saurischia
Family:
Troodontidae
Genus:
Troodon
Species:
indet.
Parataxon:
Prismatoolithidae
Pore System:
Angusticanaliculate
Morphotype:
Dinosauroid Prismatic
Locality:
N/A
Locality Formation:
Two Medicine
Locality Member:
N/A
Locality Age:
265
97990
Specimen Type:
N/A
Class:
Reptilia
Order:
Saurischia
Family:
Troodontidae
Genus:
Troodon
Species:
indet.
Parataxon:
Prismatoolithidae
Pore System:
Angusticanaliculate
Morphotype:
Dinosauroid Prismatic
Locality:
N/A
Locality Formation:
Two Medicine
Locality Member:
N/A
Locality Age:
265
97936
Specimen Type:
N/A
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2003069
Locality Formation:
Barun Goyot
Locality Member:
N/A
Locality Age:
265
97930
Specimen Type:
N/A
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Ornithoid
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
96273
Specimen Type:
Shell Fragment
Class:
Reptilia
Order:
Saurischia
Family:
Oviraptoridae
Genus:
unknown
Species:
N/A
Parataxon:
Elongatoolithidae
Pore System:
N/A
Morphotype:
Ornithoid
Locality:
/ / / / /
83093
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
265
95279
Specimen Type:
N/A
Class:
Reptilia
Order:
Saurischia
Family:
Troodontidae
Genus:
Saurornithoides
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
77067
Locality Formation:
Lance
Locality Member:
N/A
Locality Age:
N/A
93653
Specimen Type:
N/A
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
81035
Locality Formation:
Wind River
Locality Member:
Lost Cabin
Locality Age:
226
92428
Specimen Type:
N/A
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
96264
Locality Formation:
"Wasatch"
Locality Member:
Wetmore Bed
Locality Age:
226
92427
Specimen Type:
N/A
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
89079
Locality Formation:
"Wasatch"
Locality Member:
N/A
Locality Age:
226
92426
Specimen Type:
N/A
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
89079
Locality Formation:
"Wasatch"
Locality Member:
N/A
Locality Age:
226
83226
Specimen Type:
N/A
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
88050
Locality Formation:
DeBeque
Locality Member:
Shire
Locality Age:
226
82018
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
78203
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
N/A
82016
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
78203
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
N/A
82015
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
78203
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
N/A
82014
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
82013
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
82012
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
82011
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
82010
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
82009
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Ornithischia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
82008
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
Boletuoolithus carlylensis
Pore System:
N/A
Morphotype:
Prolatospherulitic
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
82007
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Crocodilia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
82006
Specimen Type:
Shell Fragments
Class:
Reptilia
Order:
Crocodilia
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
82005
Specimen Type:
Shell Fragments
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
82004
Specimen Type:
Shell Fragments
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
82003
Specimen Type:
Shell Fragments
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
82002
Specimen Type:
Shell Fragments
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
N/A
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
Next 36
Filter by
order
Aepyornithiformes (9)
Anseriformes (5)
Casuariiformes (5)
Crocodilia (80)
Dinornithiformes (3)
Gekkota (2)
Indet. (2256)
Ornithischia (112)
Saurischia (169)
Squamata (3)
Struthioniformes (3)
Testudines (62)
and 5 more
family
Aepyornithidae (6)
Aepyornithidae; Medioolithidae (3)
Anatidae (5)
Cathartidae (1)
Ceratopsidae (1)
Crocodylidae (25)
Dinornithidae (3)
Dromaiidae (3)
Dromornithidae (2)
Elongatoolithidae (40)
Emydidae (2)
Emydidae; Testudoolithidae (1)
Gekkonidae (3)
Hadrosauridae (43)
Hadrosauridae; Spheroolithidae (3)
Indet. (2393)
Indet. (?Titanosauridae) (1)
Indet. (?Titanosauridae); Megaloolithidae (1)
Indet.; Dendroolithidae (1)
Indet.; Ovaloolithidae (1)
Indet.; Prismatoolithidae (2)
Kinosternidae (1)
Krokolithidae (12)
Laevisoolithidae (5)
Medioolithidae (6)
Megaloolithidae (12)
Ovaloolithidae (8)
Oviraptoridae (11)
Oviraptoridae; Elongatoolithidae (1)
Prismatoolithidae (17)
Prismatoolithidae? (4)
Spheroolithidae (20)
Spheroolithidae? (1)
Struthionidae (1)
Testudoflexoolithidae (10)
Testudoolithidae (4)
Titanosauridae (4)
Trionychidae (1)
Troodontidae (43)
Troodontidae; Prismatoolithidae (23)
and 33 more
genus
Aepyornis (5)
Boletuoolithus (1)
Cairanoolithus (2)
cf. Macroelongatoolithus (5)
Continuoolithus (10)
Dinornis (3)
Dromaius (3)
Dughioolithus (1)
Elongatoolithus (1)
Genyornis (2)
Gymnoyps (1)
Hadrosaurus (3)
Hypselosaurus (4)
Indet. (2491)
Indet. (?Hypselosaurus) (2)
Kinosternon (1)
Krokolithus (25)
Macroolithus (2)
Maiasaura (17)
Megaloolithus (5)
Megaloolithus cf. (1)
Microolithus (5)
Microolithus? (1)
Ornitholithus (12)
Ovaloolithus (7)
Oviraptor (3)
Portituberoolithus (2)
Preprismatoolithus (1)
Prismatoolithus (3)
Saurornithoides (1)
Spheroolithus (3)
Spheruprismatoolithus (9)
Spongioolithus (5)
Stillatuberoolithus (5)
Testudoflexoolithus (10)
Testudoolithus (4)
Thambetochen (4)
Triceratops (1)
Trionyx (1)
Troodon (61)
unknown (1)
and 34 more
morphotype
? (35)
?Angustispherulitic (1)
?Dinosauroid Prismatic (1)
?Geckonoid (1)
?Ornithoid Ratite (4)
?Prolatospherulitic (2)
Altered (1)
and 56 more
pore system
Angusticanaliculate (337)
Angusticanaliculate? (2)
branching (5)
Multicanaliculate (32)
Obliquicanaliculate (82)
Prolatocanaliculate (54)
Prolatocanaliculate / Angusticanaliculate (1)
Proloto/Rimo Canaliculate (23)
Rimocanaliculate (9)
Rimocanaliculate / Prolatocanaliculate (57)
Struthioniformes (2)
Tubocanaliculate (78)
and 5 more
nest structure
Clutch of four eggs (17)
Dinosaur bone-bed (19)
Disturbed nesting area (22)
Disturbed nesting-site (5)
Disturbed nestingsite or proximal to nesting-site (4)
Egg clutch with 2 1/2 eggs (3)
Eggshells rare from this site (5)
Mixed with adult bones (1)
Near lake egg-site (30)
Near nesting-site (13)
Nest with three eggs (5)
Nesting-site (30)
Nesting-site Clutch of 10 eggs (1)
Nesting-site Clutch of 12 eggs (2)
Nesting-site Clutch of six eggs (2)
Nesting-site with remains of hatchlings (9)
Possible nest site (2)
Repeatedly used nest-site (49)
Troodon nest (6)
Two eggs at site (10)
and 13 more
embryo
Early-stage embryo (1)
Embryonic and maggot remains (1)
Embryonic bones, jaws, teeth at site (21)
Embryonic femur (1)
Embryonic remains (14)
Membrane imprints (1)
Traces of decayed membrane (3)
