PBDB Taxon

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Eutynichnium

Reptilia

Taxonomy

Eutynichnium was named by Nopcsa (1923). It is considered to be a form taxon. Its type is Eutynichnium lusitanicum.

It was reranked as Megalosauropus (Eutynichnium) by Antunes (1976).

It was assigned to Saurischia by Kuhn (1958); to Theropoda by Kuhn (1963); to Megalosauroidea by Haubold (1971); to Megalosauroidea by Haubold (1974); to Megalosauropus by Antunes (1976); and to Theropoda by Romero Molina et al. (2003).

Species

E. atlasicus, E. atlasipodus, E. lusitanicum (type species), Megalosauropus (Eutynichnium) gomesi

Synonyms

Eutynichnium atlasipodus was named by Nouri (2007). It is considered to be a form taxon. It is a trace fossil.

It was considered a nomen nudum by Nouri et al. (2011).

Synonymy list

Year	Name and author
1923	Eutynichnium Nopcsa p. 200
1958	Eutynichnium Kuhn p. 26
1963	Eutynichnium Kuhn p. 100
1971	Eutynichnium Haubold p. 77
1974	Eutynichnium Haubold p. 46
1976	Megalosauropus (Eutynichnium) Antunes p. 20
2003	Eutynichnium Romero Molina et al. p. 25
2007	Eutynichnium atlasipodus Nouri

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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

Rank	Name	Author
—	Sauropsida
class	Reptilia
subclass	Eureptilia	()
—	Romeriida
—	Diapsida	()
—	Archosauromorpha	(Huene 1946)
—	Crocopoda
—	Archosauriformes	Gauthier 1986
—	Eucrocopoda
—	Archosauria	()
informal	Avemetatarsalia
—	Ornithodira
—	Dinosauromorpha
—	Dinosauriformes
—	Dinosauria	()
—	Theropoda	()
genus	Eutynichnium

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. †Eutynichnium Nopcsa 1923

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†Eutynichnium atlasicus Nouri 2007

†Eutynichnium lusitanicum Nopcsa 1923

†Megalosauropus (Eutynichnium) gomesi Antunes 1976

Invalid names: Eutynichnium atlasipodus Nouri 2007 [nomen nudum]

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:

carnivoreo

Reproduction:

oviparouso

Dispersal:

direct/internalo

Dispersal 2:

mobileo

Created:

2004-12-14 12:50:08

Modified:

2004-12-14 14:50:08

Source: o = order

Reference: Marsh 1875

Age range: base of the Oxfordian to the top of the Hauterivian or 163.50000 to 129.40000 Ma

Collections (3 total)

Time interval	Ma	Country or state	Original ID and collection number
Oxfordian	163.5 - 157.3	Portugal (Centro)	Ornithopoda indet. (49214)
Kimmeridgian - Valanginian	157.3 - 132.9	Algeria (El Bayadh)	Theropoda indet. 1 (206220)
Hauterivian	132.9 - 129.4	Portugal (Setúbal)	Megalosauropus gomesi (192730)