PBDB Taxon

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

Megaraptoridae

Reptilia - Megaraptoridae

Taxonomy

Megaraptoridae was named by Novas et al. (2013). It was considered monophyletic by Novas et al. (2013).

It was assigned to Megaraptora by Novas et al. (2013), Porfiri et al. (2014), Porfiri et al. (2018), Aranciaga Rolando et al. (2019), Novas et al. (2019), Lamanna et al. (2020), Aranciaga Rolando et al. (2022) and Agnolín et al. (2023).

Subtaxa

Aerosteon, Australovenator, Maip, Megaraptor, Murusraptor, Orkoraptor, Tratayenia

Synonymy list

Year	Name and author
2013	Megaraptoridae Novas et al. p. 191
2014	Megaraptoridae Porfiri et al. p. 36
2018	Megaraptoridae Porfiri et al.
2019	Megaraptoridae Aranciaga Rolando et al. p. 120
2019	Megaraptoridae Novas et al. p. 255
2020	Megaraptoridae Lamanna et al. p. 258
2022	Megaraptoridae Aranciaga Rolando et al.
2023	Megaraptoridae Agnolín et al.

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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
subclass	Eureptilia	()

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

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.

Fm. †Megaraptoridae Novas et al. 2013

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G. †Aerosteon Sereno et al. 2008

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†Aerosteon riocoloradensis Sereno et al. 2008

G. †Australovenator Hocknull et al. 2009

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†Australovenator wintonensis Hocknull et al. 2009

G. †Maip Aranciaga Rolando et al. 2022

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†Maip macrothorax Aranciaga Rolando et al. 2022

G. †Megaraptor Novas 1998

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†Megaraptor namunhuaiquii Novas 1998

G. †Murusraptor Coria and Currie 2016

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†Murusraptor barrosaensis Coria and Currie 2016

G. †Orkoraptor Novas et al. 2008

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†Orkoraptor burkei Novas et al. 2008

G. †Tratayenia Porfiri et al. 2018

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†Tratayenia rosalesi Porfiri et al. 2018

Diagnosis

Reference	Diagnosis
F. E. Novas et al. 2013	megaraptorids are diagnosed by an extensive list of syanpomorphies, including: opisthocoelous cervical vertebrae, manual ungual of digit I three times longer than its proximal depth, transversely compressed, and with a dorsoventrally elliptical proximal end, metatarsal III with distal ginglymoid proximally extended and extensor fossa wide and crescent shaped

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 Late/Upper Aptian to the top of the Early/Lower Maastrichtian or 122.46000 to 66.00000 Ma

Collections (28 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Aptian	122.46 - 113.0	Australia (Victoria)	Megaraptora indet. (51961)
Late/Upper Aptian - Early/Lower Albian	122.46 - 109.0	Australia (Victoria)	Australovenator wintonensis, Megaraptoridae indet. (118946)
Early/Lower Albian	112.03 - 109.0	Australia (Victoria)	Tyrannosauroidea indet. (38542)
Cenomanian - Early/Lower Turonian	100.5 - 89.3	Australia (Queensland)	Australovenator wintonensis (153781) Megaraptoridae indet. (226547)
Early/Lower Cenomanian - Middle Cenomanian	99.6 - 93.5	Australia (New South Wales)	Megaraptoridae indet. (224617)
Late/Upper Cenomanian	99.6 - 93.5	Australia (Queensland)	Australovenator wintonensis (90140)
Middle Cenomanian - Turonian	99.6 - 89.8	Argentina (Chubut)	Megaraptoridae indet. (123284 234017)
Late/Upper Turonian - Early/Lower Coniacian	93.5 - 85.8	Argentina (Neuquén)	Megaraptor namunhuaiquii (49415 79953) Tetanurae indet. (55264)
Coniacian	89.8 - 86.3	Argentina (Neuquén)	Megaraptoridae indet. (216699)
Santonian	86.3 - 83.6	Argentina (Río Negro)	Theropoda indet. (45407)
Santonian	86.3 - 83.6	Argentina (Neuquén)	Megaraptoridae indet. (196207)
Campanian	83.6 - 72.1	Argentina (Santa Cruz)	Orkoraptor burkei (232634)
Campanian	83.6 - 72.1	Chile (Magallanes y Antártica Chilena)	Megaraptoridae indet. 2 (228864)
Campanian - Maastrichtian	83.6 - 66.0	Argentina (Chubut)	Theropoda indet. (196404)
Early/Lower Campanian - Middle Campanian	83.5 - 70.6	Argentina (Mendoza)	Aerosteon riocoloradensis, Megaraptoridae indet. (90139)
Early/Lower Maastrichtian	70.6 - 66.0	Argentina (Santa Cruz)	Megaraptoridae indet. (206970 227005 231713 234524 234525 234526 234527) Megaraptoridae indet. 1 (206968) Theropoda indet. (51623)