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Aristosuchus pusillus

Reptilia - Compsognathidae

Taxonomy
Poikilopleuron pusillus was named by Owen (1876). Its type specimen is BMNH R.178, a set of postcrania, and it is a 3D body fossil. Its type locality is Isle of Wight (general), which is in a Barremian/Aptian terrestrial horizon in the United Kingdom. It is the type species of Aristosuchus.

It was recombined as Coelurus pusillus by Nopcsa (1901); it was recombined as Aristosuchus pusillus by Seeley (1887), Lydekker (1888), Newton (1889), Zittel (1890), Woodward and Sherborn (1890), Lydekker (1891), Huene (1923), Huene (1926), Swinton (1936), Kuhn (1939), Steel (1970), Blows (1983), Naish (1999), Naish et al. (2001), Naish (2002), Ruiz-Omeñaca and Canudo (2003), Holtz et al. (2004), Peyer (2006), Naish and Martill (2007), Hu et al. (2016) and Barker et al. (2020).

Synonymy list
YearName and author
1876Poikilopleuron pusillus Owen p. 2 figs. Pl. 1
1880Poikilopleuron pusillus Sauvage p. 541
1884Poikilopleuron pusillus Vetter p. 362
1887Aristosuchus pusillus Seeley pp. 221-222
1888Aristosuchus pusillus Lydekker p. 158
1889Aristosuchus pusillus Newton p. 260
1890Aristosuchus pusillus Woodward and Sherborn pp. 211-212
1890Aristosuchus pusillus Zittel p. 732
1891Aristosuchus pusillus Lydekker pp. 42-43
1901Coelurus pusillus Nopcsa p. 202
1923Aristosuchus pusillus Huene p. 455
1926Aristosuchus pusillus Huene p. 486
1936Aristosuchus pusillus Swinton p. 206
1939Aristosuchus pusillus Kuhn p. 44
1970Aristosuchus pusillus Steel p. 13
1983Aristosuchus pusillus Blows p. 313
1999Aristosuchus pusillus Naish p. 371
2001Aristosuchus pusillus Naish et al. p. 284
2002Aristosuchus pusillus Naish pp. 157-159
2003Aristosuchus pusillus Ruiz-Omeñaca and Canudo p. 297
2004Aristosuchus pusillus Holtz, Jr. et al. p. 76
2006Aristosuchus pusillus Peyer p. 880
2007Aristosuchus pusillus Naish and Martill p. 504
2016Aristosuchus pusillus Hu et al. p. 191
2020Aristosuchus pusillus Barker et al.

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Theropoda()
—Neotheropoda
—AverostraPaul 2002
—Tetanurae
—Coelurosauria()
familyCompsognathidae
genusAristosuchus
speciespusillus()

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.

†Aristosuchus pusillus Owen 1876
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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: Marsh 1875, Benton 1983

Age range: base of the Barremian to the top of the Early/Lower Aptian or 129.40000 to 122.46000 Ma

Collections: one only


Time interval Ma Country or state Original ID and collection number
Barremian - Early/Lower Aptian129.4 - 122.46United Kingdom (England) Poikilopleuron pusillus (type locality: 92917)