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Megatheriidae

Mammalia - Megatheriidae

Synonymy list
YearName and author
1821Megatheriidae Gray p. 304
1850Megatheriidae Bonaparte p. 1
1872Megatheriidae Gill
1889Megatheriidae Cope p. 658
1891Megatheriidae Flower and Lydekker p. 89
1956Megatheriidae Paula Couto p. 99
1980Megatheriidae Kurten and Anderson p. 138
1988Megatheriidae Carroll
1993Megatheriidae MacFadden et al. p. 235
1995Megatheriidae Gaudin
1999Megatheriidae De Iuliis and Cartelle p. 500
2007Megatheriidae McDonald and Naples p. 154
2016Megatheriidae Amson et al. p. 231 figs. Fig. 10
2017Megatheriidae De Los Arcos et al. p. 355

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
Osteichthyes()
Sarcopterygii
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda()
Reptiliomorpha
Anthracosauria
Batrachosauria()
Cotylosauria()
Amniota
Synapsida()
RankNameAuthor
Therapsida()
infraorderCynodontia()
Epicynodontia
infraorderEucynodontia
Probainognathia
Mammaliamorpha
Mammaliaformes
classMammalia
subclassTribosphenida()
infraclassEutheria()
Placentalia
Americatheria
Xenarthra()
infraorderPilosaFlower 1883
TardigradaLatham and Davies 1795
Eutardigrada
familyMegatheriidaeGill 1872
familyMegatheriidaeGill 1872

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.

Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Maximum body mass: 70 kgg
Minimum body mass: 40 kgg
Environment: terrestrialsubc
Locomotion: actively mobilec
Life habit: ground dwellingf
Diet: herbivoref
Comments: life habit and diet based on Nowak 1999f
Created: 2005-08-22 16:27:04
Modified: 2005-08-22 18:30:14
Source: g = genus, f = family, subc = subclass, c = class, subp = subphylum
References: Vizcaíno et al. 2010, Carroll 1988, Nowak 1999, Hendy et al. 2009, Ji et al. 2002

Age range

Maximum range based only on fossils: base of the Santacrucian to the top of the Holocene or 17.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 16.3 Ma

Collections (229 total)

Oldest occurrences

Time interval Ma Country or state Original ID and collection number
Early/Lower Miocene23.03 - 15.97Argentina (Santa Cruz) Hapalops sp. 1, Hapalops sp. 2 (142529 142533)
Early/Lower Miocene23.03 - 15.97Colombia (La Guajira) M. sp. (166506)
Neogene23.03 - 2.588Nicaragua Eremotherium laurillardi (86962)
Santacrucian17.5 - 16.3Peru (Cusco) Megatherium sp. (145126)
Santacrucian17.5 - 16.3Chile (Aisén) Hapalops sp. (71843)
Santacrucian17.5 - 16.3Argentina (Santa Cruz) Hapalops longiceps (176583) Hapalops platycephalus (176598) Hapalops ponderosus, Hapalops indifferens, Hapalops elongatus, Hapalops angustipalatus (176585) Hapalops sp. (176570 176576 176592 176599 176602 176603 176622 176623 176625) Hapalops sp. 1, Hapalops sp. 2 (176581 176584) Hapalops sp., Hapalops elongatus, Prepotherium potens (176590) Hapalops sp., Prepotherium filholi (87314) Planops magnus (176591)
Friasian16.3 - 15.5Colombia Hapalops sp. (13684)
Friasian16.3 - 15.5Chile Megathericulus friasensis (176666)
Middle Miocene15.97 - 11.608Venezuela (Falcón) Megatheriidae indet. (63519)
Middle Miocene15.97 - 11.608Argentina (Río Negro) Prepotherium sp. (140692)
Colloncuran15.5 - 13.8Bolivia Megatheriinae indet. (91435)
Serravallian13.82 - 11.62Bolivia (Tarija) Megathericulus patagonicus (197501 197502) Pelecyodon sp. (38071)
Laventan13.8 - 11.8Colombia Hapalops sp. (153817)
Laventan13.8 - 11.8Peru (Ucayali) Megathericulus sp. (144950)
Laventan13.8 - 11.8Colombia (Huila) Hapalops sp. (186628 186630 186667 187122 187721 187888 187945 187961 187965 187974 187975) Megatheriinae indet. (133648 133693 135348 136211 187114 187976)
Mayoan11.8 - 10.0Argentina (Chubut) Megathericulus patagonicus (141934)
Mayoan11.8 - 10.0Argentina (Santa Cruz) Megathericulus patagonicus (141933)
Tortonian11.62 - 7.246Peru Megatheriidae indet. (45486) Thalassocnus sp. (183918)
Tortonian11.62 - 7.246Brazil (Acre) Hapalops sp., Planops sp. (55602)
Tortonian11.62 - 7.246Peru (Arequipa) Megatheriidae indet., Thalassocnus antiquus (45485)