PBDB Taxon

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

Deferrariischnium

Reptilia

Taxonomy

Deferrariischnium was named by Calvo (1991). It is considered to be a form taxon. Its type is Deferrariischnium mapuchensis.

It was assigned to Coelurosauria by Calvo (1991); to Theropoda by Romero Molina et al. (2003); and to Coelurosauria by Calvo (2007).

Species

D. mapuchensis (type species)

Synonymy list

Year	Name and author
1991	Deferrariischnium Calvo p. 253
2003	Deferrarichnium Romero Molina et al. p. 25
2007	Deferrariischnium Calvo p. 323

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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

Rank	Name	Author
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Theropoda	()
—	Neotheropoda
—	Averostra	Paul 2002
—	Tetanurae
—	Coelurosauria	()
genus	Deferrariischnium

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. †Deferrariischnium Calvo 1991

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†Deferrariischnium mapuchensis Calvo 1991

Diagnosis

Reference	Diagnosis
J. O. Calvo 1991	Pista de un dinosaurio bípedo de tamaño pequeño a mediano. Huellas tridáctilas, casi simétricas, con el dedo III bien desarrollado, ocupando más del 50% del largo total de la huella. Los dedos II y IV poco definidos, no muestran indicios de garras y divergen del dígito central en no más de 25°. La "palma" involucra los dedos laterales, el dedo central cuvado interiormente es de forma aguda indicando garras en sus extremos. "Palma" de forma subtriangular presentando un pequeño "talón".

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, Marsh 1875

Age range: Early/Lower Cenomanian or 99.60000 to 93.50000 Ma

Collections (2 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Cenomanian	99.6 - 93.5	Argentina (Mendoza)	Coelurosauria indet. (98023) D. mapuchensis (75276)