PBDB Taxon

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

Eocrex

Osteichthyes - Gruiformes - Rallidae

Taxonomy

Eocrex was named by Wetmore (1931).

It was assigned to Gallinulinae by Wetmore (1940), Wetmore (1956), Brodkorb (1967); and to Rallidae by Wetmore (1931), Lambrecht (1933), Olson (1977), Carroll (1988).

Species

E. primus

Synonymy list

Year	Name and author
1931	Eocrex Wetmore p. 107
1933	Eocrex Lambrecht p. 464
1940	Eocrex Wetmore p. 53
1956	Eocrex Wetmore p. 66
1967	Eocrex Brodkorb p. 123
1977	Eocrex Olson p. 342
1988	Eocrex Carroll

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Deuterostomia
phylum	Chordata	Haeckel 1874
subphylum	Vertebrata
superclass	Gnathostomata
class	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)
—	Crocopoda
—	Archosauriformes	Gauthier 1986

Rank	Name	Author
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Saurischia	()
—	Theropoda	()
—	Neotheropoda
—	Averostra	Paul 2002
—	Tetanurae
—	Coelurosauria	()
—	Maniraptora
—	Paraves
class	Aves
subclass	Neornithes	Gadow 1893
—	Neognathae	(Pycraft 1900)
—	Neoaves	Sibley et al. 1988
—	Terrestrornithes
—	Telmatorae
superorder	Charadriimorphae	Huxley 1867
order	Gruiformes	Bonaparte 1854
family	Rallidae	Vigors 1825
genus	Eocrex

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. †Eocrex Wetmore 1931

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†Eocrex primus Wetmore 1931

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:

terrestrialo

Locomotion:

actively mobileo

Life habit:

ground dwellingo

Diet:

carnivoresubo

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2009-01-03 20:39:15

Modified:

2009-01-03 22:39:15

Source: subo = suborder, o = order

References: Benton 1983, Kiessling 2004, Marsh 1875

Age range: base of the Wasatchian to the top of the Bridgerian or 56.00000 to 45.90000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Wasatchian - Bridgerian	56.0 - 45.9	USA (Wyoming)	E. primus (74332)