PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Continuoolithus

Reptilia - Elongatoolithidae

Taxonomy

Continuoolithus was named by Zelenitsky et al. (1996). It is considered to be a form taxon. Its type is Continuoolithus canadensis.

It was assigned to Theropoda by Zelenitsky et al. (1996); to Theropoda by Zelenitsky and Sloboda (2005); and to Elongatoolithidae by Wang et al. (2010), Hedge et al. (2025).

Species

C. canadensis (syn. Spongioolithus hirschi) (type species)

Synonymy list

Year	Name and author
1996	Continuoolithus Zelenitsky et al. p. 1660
2005	Continuoolithus Zelenitsky and Sloboda p. 403
2010	Continuoolithus Wang et al. p. 114
2025	Continuoolithus Hedge et al. p. 9

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Eugnathostomata
—	Teleostomi	(Bonaparte 1836)
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota

Rank	Name	Author
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Theropoda	()
family	Elongatoolithidae
genus	Continuoolithus

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. †Continuoolithus Zelenitsky et al. 1996

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†Continuoolithus canadensis Zelenitsky et al. 1996

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Invalid names: Spongioolithus hirschi Bray 1999 [synonym]

Diagnosis

Reference	Diagnosis
D. K. Zelenitsky et al. 1996	As for type and only known oospecies.

Measurements

No measurements are available

Composition:

hydroxyapatiteo

Entire body:

yeso

Adult length:

10 to < 100o

Adult width:

1.0 to < 10o

Adult height:

1.0 to < 10o

Architecture:

compact or denseo

Ontogeny:

accretion, modification of partso

Grouping:

solitaryo

Environment:

terrestrialo

Locomotion:

actively mobileo

Life habit:

ground dwellingo

Diet:

carnivoreo

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2004-12-14 12:50:08

Modified:

2004-12-14 14:50:08

Source: o = order

Reference: Marsh 1875

Age range: base of the Early/Lower Cenomanian to the top of the Lancian or 100.50000 to 66.00000 Ma

Collections (28 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Cenomanian	100.5 - 93.9	USA (Utah)	C. canadensis (200123 239610 239611)
Early/Lower Campanian	83.6 - 72.2	USA (Montana)	C. canadensis (94368 102180 102182)
Late/Upper Campanian	83.6 - 72.2	Canada (Alberta)	C. canadensis (22698 47793 47812 52992 53049 53050 62321 62322) Dinosauria indet. (47816)
Late/Upper Campanian	83.6 - 72.2	USA (New Mexico)	C. sp. (96814)
Late/Upper Campanian	83.6 - 72.2	Mexico (Baja California)	C. sp. (197023 237073)
Middle Campanian	83.6 - 72.2	Canada (Alberta)	C. canadensis (45240)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Texas)	C. sp. (25073 212186)
Middle Campanian - Late/Upper Campanian	83.6 - 72.2	USA (Montana)	C. sp. (223339)
Lancian	72.2 - 66.0	USA (Utah)	Spongioolithus hirschi (14599)
Late/Upper Maastrichtian	72.2 - 66.0	USA (Utah)	Spongioolithus hirschi (45721 45722 138563 138564)
Maastrichtian	72.2 - 66.0	USA (Utah)	Spongioolithus hirschi (138565)