PBDB Taxon

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

Masiakasaurus

Reptilia - Theropoda - Noasauridae

Taxonomy

Masiakasaurus was named by Sampson et al. (2001).

It was assigned to Abelisauridae by Rauhut (2003); to Velocisauridae by Agnolín et al. (2003); to Abelisauroidea by Sampson et al. (2001), Carrano et al. (2002) and Ezcurra et al. (2010); to Noasauridae by Sereno et al. (2004), Tykoski and Rowe (2004), Novas et al. (2004), Carrano et al. (2004), Yates (2005), Novas et al. (2006), Coria et al. (2006), Maganuco et al. (2007), Smith (2007), Carrano and Sampson (2008), Forster et al. (2009), Novas et al. (2010), Agnolin and Chiarelli (2010), Carrano et al. (2011), Novas et al. (2013), Hendrickx and Mateus (2014), Tortosa et al. (2014), Allain et al. (2014), Delcourt and Grillo (2014), Gianechini et al. (2015) and Griffin and Nesbitt (2016); and to Noasaurinae by Rauhut and Carrano (2016) and Delcourt (2018).

Species

M. knopfleri

Synonymy list

Year	Name and author
2001	Masiakasaurus Sampson et al. p. 504
2002	Masiakasaurus Carrano et al.
2003	Masiakasaurus Agnolín et al.
2003	Masiakasaurus Rauhut p. 33
2004	Masiakasaurus Carrano et al. p. 44A
2004	Masiakasaurus Novas et al. p. 98
2004	Masiakasaurus Sereno et al. p. 1329 fig. 4
2004	Masiakasaurus Tykoski and Rowe p. 49
2005	Masiakasaurus Yates p. 118 fig. 9
2006	Masiakasaurus Coria et al. p. 1288
2006	Masiakasaurus Novas et al. p. 63
2007	Masiakasaurus Maganuco et al. p. 267
2007	Masiakasaurus Smith p. 104
2008	Masiakasaurus Carrano and Sampson pp. 199-200 fig. 4
2009	Masiakasaurus Forster et al. p. 283
2010	Masiakasaurus Agnolin and Chiarelli p. 295
2010	Masiakasaurus Ezcurra et al. p. 14 fig. 8
2010	Masiakasaurus Novas et al. p. 51
2011	Masiakasaurus Carrano et al. p. 3
2013	Masiakasaurus Novas et al. p. 176
2014	Masiakasaurus Allain et al. p. 132
2014	Masiakasaurus Delcourt and Grillo p. 312
2014	Masiakasaurus Hendrickx and Mateus
2014	Masiakasaurus Tortosa et al. p. 70
2015	Masiakasaurus Gianechini et al.
2016	Masiakasaurus Griffin and Nesbitt p. 2
2016	Masiakasaurus Rauhut and Carrano p. 50
2018	Masiakasaurus Delcourt p. 3

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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	()
order	Theropoda
suborder	Ceratosauria	()
family	Noasauridae
subfamily	Noasaurinae
genus	Masiakasaurus

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. †Masiakasaurus Sampson et al. 2001

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†Masiakasaurus knopfleri Sampson et al. 2001

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
femur circumference	13	53.4	35.0	65.0	59.0	10.2
tibia circumference	10	44.1	28.0	53.0	46.5	7.73

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: Maastrichtian or 72.10000 to 66.00000 Ma

Collections (29 total)

Time interval	Ma	Country or state	Original ID and collection number
Maastrichtian	72.1 - 66.0	Madagascar (Mahajanga)	M. knopfleri (25074 32366 39265 39266 46894 55268 55269 71399 84840 84841 85063 91206 118203 138731 138732 138733 138734 138735 138737 138738 138739 138740 138741 138742 138743 138744 138745 138746 206553)