PBDB Taxon

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

Creagrus

Reptilia - Charadriiformes - Laridae

Taxonomy

Creagrus was named by Bonaparte (1854). It is extant.

It was assigned to Xemeae by Coues (1862); and to Laridae by Smith (2011).

Species

C. furcatus

Synonymy list

Year	Name and author
1854	Creagrus Bonaparte
1862	Creagrus Coues p. 312
2011	Creagrus Smith p. 30 figs. Figure 14

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
—	Osteichthyes	()
subclass	Sarcopterygii	()
subclass	Dipnotetrapodomorpha	(Nelson 2006)
subclass	Tetrapodomorpha	()
—	Tetrapoda
—	Reptiliomorpha
—	Anthracosauria
subclass	Amphibiosauria	Kuhn 1967
—	Cotylosauria	()
—	Amniota
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)

Rank	Name	Author
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Theropoda	()
—	Neotheropoda
—	Averostra	Paul 2002
—	Tetanurae
—	Coelurosauria	()
—	Maniraptora
—	Paraves
class	Aves
order	Charadriiformes	Huxley 1867
suborder	Lari	Sharpe 1891
infraorder	Larides
superfamily	Laroidea	Stejneger 1885
family	Laridae	Vigors 1825
genus	Creagrus	Bonaparte 1854

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. Creagrus Bonaparte 1854

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Creagrus furcatus Neboux 1853

Diagnosis

No diagnoses are available

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:

marineo

Locomotion:

actively mobileo

Life habit:

ground dwellingo

Diet:

carnivoresubo

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2017-04-17 10:41:05

Modified:

2017-04-17 10:41:05

Source: subo = suborder, o = order

References: Bush and Bambach 2015, Benton 1983, Marsh 1875

Age range

Maximum range based only on fossils: Holocene or 0.01170 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 0.0 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Holocene	0.0117 - 0.0	Ecuador	C. furcatus (215520)