Fossil Eggshell Collection
eggshell
SEARCH
Home
About
Advanced Search
Browse
More collections:
Fossil Tracks
Fossil Vertebrates
3167 Eggshell Results
Sort by:
Identifier
Title
Sort order:
Ascending
Descending
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
040200
Specimen Type:
Shell Fragment
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
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
5
Specimen Type:
N/A
Class:
Reptilia
Order:
Saurischia
Family:
Oviraptoridae; Elongatoolithidae
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
Angusticanaliculate
Morphotype:
Ornithoid
Locality:
/ / / / /
2007021
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
265
35
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:
77271
Locality Formation:
Brule
Locality Member:
Orella
Locality Age:
231
39
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:
/ / / / /
2009087
Locality Formation:
Brule
Locality Member:
Orella
Locality Age:
N/A
46
Specimen Type:
Shell Fragment
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Ornithoid
Locality:
/ / / / /
2008077
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
48
Specimen Type:
N/A
Class:
Reptilia
Order:
Testudines
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Testudoid
Locality:
/ / / / /
2009187
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
54-2
Specimen Type:
Shell Fragment
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Ornithoid
Locality:
/ / / / /
83067
Locality Formation:
Chadron
Locality Member:
N/A
Locality Age:
230
110
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
81082
Locality Formation:
DeBeque
Locality Member:
N/A
Locality Age:
N/A
130
Specimen Type:
Complete Egg
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2009075
Locality Formation:
Brule
Locality Member:
N/A
Locality Age:
N/A
136
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:
77271
Locality Formation:
Brule
Locality Member:
Orella
Locality Age:
231
159-1
Specimen Type:
Shell Fragment
Class:
Reptilia
Order:
Indet.
Family:
Elongatoolithidae
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
Angusticanaliculate
Morphotype:
Ornithoid
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
159-2
Specimen Type:
Shell Fragment
Class:
Reptilia
Order:
Indet.
Family:
Elongatoolithidae
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
Angusticanaliculate
Morphotype:
Ornithoid
Locality:
/ / / / /
83288
Locality Formation:
Cedar Mountain
Locality Member:
N/A
Locality Age:
215
169-2
Specimen Type:
Shell Fragment
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Prismatic
Locality:
77271
Locality Formation:
Brule
Locality Member:
Orella
Locality Age:
231
169-R
Specimen Type:
Shell Fragment
Class:
Aves
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Prismatic
Locality:
77271
Locality Formation:
Brule
Locality Member:
Orella
Locality Age:
231
213
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2008112
Locality Formation:
Morrison
Locality Member:
Brushy Basin
Locality Age:
265
213-R
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2008112
Locality Formation:
Morrison
Locality Member:
Brushy Basin
Locality Age:
265
238-4-T
Specimen Type:
Shell Fragment
Class:
Reptilia
Order:
Ornithischia
Family:
Spheroolithidae
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
Rimocanaliculate / Prolatocanaliculate
Morphotype:
Prolatospherulitic
Locality:
/ / / / /
98071
Locality Formation:
Two Medicine
Locality Member:
Upper
Locality Age:
220
280
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
2009179
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
265
315-1
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
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
342
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
90062
Locality Formation:
Two Medicine
Locality Member:
N/A
Locality Age:
265
356
Specimen Type:
-
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2007006
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
356
Specimen Type:
Shell Fragments-Many
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
86068
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
382
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:
/ / / / /
2007333
Locality Formation:
Bagua
Locality Member:
Fundo el Triunfo
Locality Age:
265
382-2A
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:
/ / / / /
2007333
Locality Formation:
Bagua
Locality Member:
Fundo el Triunfo
Locality Age:
265
443-2
Specimen Type:
Shell Fragments
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
86069
Locality Formation:
Geiseltal
Locality Member:
N/A
Locality Age:
N/A
488-7
Specimen Type:
Shell Fragment
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
99039
Locality Formation:
Morrison
Locality Member:
Brushy Basin
Locality Age:
265
489
Specimen Type:
Shell Fragments
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2003004
Locality Formation:
Morrison
Locality Member:
Salt Wash
Locality Age:
207
503
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
2009115
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
N/A
518
Specimen Type:
Shell Fragments
Class:
Indet.
Order:
Indet.
Family:
Indet.
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
N/A
Morphotype:
Ornithoid Ratite? Et al.
Locality:
/ / / / /
2007001
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
265
518
Specimen Type:
Shell Fragments-Many
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
2007004
Locality Formation:
N/A
Locality Member:
N/A
Locality Age:
265
580
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
98101
Locality Formation:
Two Medicine
Locality Member:
N/A
Locality Age:
220
584
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
2009182
Locality Formation:
unknown
Locality Member:
N/A
Locality Age:
265
594
Specimen Type:
N/A
Class:
N/A
Order:
N/A
Family:
N/A
Genus:
N/A
Species:
N/A
Parataxon:
N/A
Pore System:
N/A
Morphotype:
N/A
Locality:
/ / / / /
90062
Locality Formation:
Two Medicine
Locality Member:
N/A
Locality Age:
265
618-0-2
Specimen Type:
N/A
Class:
Reptilia
Order:
Indet.
Family:
Prismatoolithidae
Genus:
Indet.
Species:
indet.
Parataxon:
N/A
Pore System:
Angusticanaliculate
Morphotype:
Dinosauroid Prismatic
Locality:
/ / / / /
98114
Locality Formation:
Two Medicine
Locality Member:
N/A
Locality Age:
265
Next 36
Filter by
order
Aepyornithiformes (15)
Anseriformes (6)
Casuariiformes (5)
Crocodilia (90)
Dinornithiformes (6)
Gekkota (2)
Indet. (2454)
Ornithischia (126)
Saurischia (175)
Squamata (3)
Struthioniformes (3)
Testudines (67)
and 5 more
family
Aepyornithidae (8)
Aepyornithidae; Medioolithidae (7)
Anatidae (6)
Cathartidae (1)
Ceratopsidae (1)
Crocodylidae (26)
Dinornithidae (6)
Dromaiidae (3)
Dromornithidae (2)
Elongatoolithidae (45)
Emydidae (2)
Emydidae; Testudoolithidae (1)
Gekkonidae (3)
Hadrosauridae (55)
Hadrosauridae; Spheroolithidae (3)
Indet. (2582)
Indet. (?Titanosauridae) (1)
Indet. (?Titanosauridae); Megaloolithidae (1)
Indet.; Dendroolithidae (1)
Indet.; Ovaloolithidae (1)
Indet.; Prismatoolithidae (2)
Kinosternidae (1)
Krokolithidae (16)
Laevisoolithidae (5)
Medioolithidae (9)
Megaloolithidae (15)
Ovaloolithidae (11)
Oviraptoridae (11)
Oviraptoridae; Elongatoolithidae (1)
Prismatoolithidae (20)
Prismatoolithidae? (6)
Spheroolithidae (23)
Spheroolithidae? (2)
Struthionidae (1)
Testudoflexoolithidae (10)
Testudoolithidae (5)
Titanosauridae (4)
Trionychidae (1)
Troodontidae (43)
Troodontidae; Prismatoolithidae (26)
and 33 more
genus
Aepyornis (5)
Boletuoolithus (1)
Cairanoolithus (2)
cf. Macroelongatoolithus (5)
Continuoolithus (11)
Dinornis (6)
Dromaius (3)
Dughioolithus (1)
Elongatoolithus (1)
Genyornis (2)
Gymnoyps (1)
Hadrosaurus (3)
Hypselosaurus (4)
Indet. (2711)
Indet. (?Hypselosaurus) (2)
Kinosternon (1)
Krokolithus (25)
Macroolithus (2)
Maiasaura (25)
Maiasaura; Spheroolithidae (1)
Megaloolithus (5)
Megaloolithus cf. (1)
Microolithus (8)
Microolithus? (1)
Ornitholithus (13)
Ovaloolithus (7)
Oviraptor (3)
Portituberoolithus (2)
Preprismatoolithus (2)
Prismatoolithus (3)
Saurornithoides (1)
Spheroolithus (3)
Spheruprismatoolithus (9)
Spongioolithus (5)
Stillatuberoolithus (5)
Testudoflexoolithus (10)
Testudoolithus (5)
Thambetochen (5)
Triceratops (1)
Trionyx (1)
Troodon (64)
unknown (1)
and 35 more
morphotype
? (35)
?Angustispherulitic (1)
?Dinosauroid Prismatic (1)
?Geckonoid (1)
?Ornithoid Ratite (4)
?Prolatospherulitic (2)
Altered (1)
and 57 more
pore system
Angusticanaliculate (352)
Angusticanaliculate? (2)
branching (5)
Multicanaliculate (32)
Obliquicanaliculate (83)
Prolatocanaliculate (55)
Prolatocanaliculate / Angusticanaliculate (1)
Proloto/Rimo Canaliculate (23)
Rimocanaliculate (9)
Rimocanaliculate / Prolatocanaliculate (77)
Struthioniformes (2)
Tubocanaliculate (81)
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)
Isolated egg (1)
Mixed with adult bones (1)
Near lake egg-site (30)
Near nesting-site (16)
Nest with three eggs (5)
Nesting-site (33)
Nesting-site Clutch of 10 eggs (1)
Nesting-site Clutch of 12 eggs (2)
Nesting-site Clutch of six eggs (3)
Nesting-site with remains of hatchlings (15)
Possible nest site (2)
Repeatedly used nest-site (49)
Single-egg site (1)
Troodon nest (6)
Two eggs at site (10)
and 15 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)
has media
Has media (245)
Does not have media (2922)
