PBDB Taxon

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

Heterostrix

Osteichthyes - Strigiformes - Heterostrigidae

Taxonomy

Heterostrix was named by Kurochkin and Dyke (2011). Its type is Heterostrix tatsinensis.

It was assigned to Heterostrigidae by Kurochkin and Dyke (2011).

Species

H. tatsinensis (type species)

Synonymy list

Year	Name and author
2011	Heterostrix Kurochkin and Dyke

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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
—	Eucrocopoda

Rank	Name	Author
—	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
—	Dendrornithes
—	Raptores	Baird 1858
superorder	Falconimorphae
order	Strigiformes	Wagler 1830
family	Heterostrigidae
genus	Heterostrix

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. †Heterostrix Kurochkin and Dyke 2011

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†Heterostrix tatsinensis Kurochkin and Dyke 2011

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:

volanto

Diet:

carnivoreo

Vision:

well-developedo

Reproduction:

oviparouso

Brooding:

yeso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2011-08-20 11:43:35

Modified:

2011-08-19 20:43:35

Source: o = order

References: Marsh 1875, Kurochkin and Dyke 2011, Kiessling 2004

Age range: Early/Lower Oligocene or 33.90000 to 27.30000 Ma

Collections: one only

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Oligocene	33.9 - 27.3	Mongolia	H. tatsinensis (114684)