PBDB Taxon

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

Uria onoi

Osteichthyes - Charadriiformes - Alcidae

Taxonomy

Uria onoi was named by Watanabe et al. (2016). Its type specimen is NSMT-PV 23722, a limb element (humerus), and it is a 3D body fossil. Its type locality is Shiriya, Locality 2, which is in a Pleistocene fissure fill horizon in Japan.

Sister species lacking formal opinion data

U. uria

Synonymy list

Year	Name and author
2016	Uria onoi Watanabe et al. p. 67 figs. Figs. 3A–D, J–M, Q, 4B, C, F, G, J, K, N
2020	Uria onoi Watanabe et al. p. 706 fig. 17A,B,J,K,O,S,T,U,W,X,Z,B',C'

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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

Rank	Name	Author
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Saurischia	()
—	Theropoda	()
—	Neotheropoda
—	Averostra	Paul 2002
—	Tetanurae
—	Coelurosauria	()
—	Maniraptora
—	Paraves
class	Aves
order	Charadriiformes	Huxley 1867
superfamily	Alcoidae	(Stejneger 1885)
family	Alcidae	Leach 1820
subfamily	Alcinae	Leach 1820
genus	Uria	Brisson 1760
species	onoi

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.

†Uria onoi Watanabe et al. 2016

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Diagnosis

Reference	Diagnosis
J. Watanabe et al. 2016	Large species of Uria, exceeding other species of the genus in overall length of the humerus and many other dimensions. Further characterized by the following osteological features: humerus—fossa tricipitalis, part dorsal to crus fossae dorsale extremely wide dorsoventrally and shallowly depressed, part ventral to crus fossae dorsale relatively narrow, sulcus transversus deeply incised, corpus humeri extremely stout and thick dorsoventrally, processus supracondylaris dorsalis lying relatively distally; ulna—prominent ridge present between olecranon and caudal tip of cotyla dorsalis.

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, Marsh 1875, Kiessling 2004, Benton 1983

Age range: base of the Middle Pleistocene to the top of the Late/Upper Pleistocene or 0.77400 to 0.01170 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Middle Pleistocene	0.774 - 0.129	Japan (Aomori)	Uria onoi (type locality: 101897)
Late/Upper Pleistocene	0.129 - 0.0117	Japan (Aomori)	Uria onoi (101898 195045 210642)