Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Megatheria
Taxonomy
Megatheria was named as an unranked clade.
It was reranked as the infraorder Megatheria by White and MacPhee (2001).
It was assigned to Phyllophaga by White and MacPhee (2001); and to Megatherioidea by Amson et al. (2017) and Varela et al. (2019).
It was reranked as the infraorder Megatheria by White and MacPhee (2001).
It was assigned to Phyllophaga by White and MacPhee (2001); and to Megatherioidea by Amson et al. (2017) and Varela et al. (2019).
Subtaxa
Synonymy list
Year | Name and author |
---|---|
2001 | Megatheria White and MacPhee |
2017 | Megatheria Amson et al. p. 231 figs. Fig. 10 |
2019 | Megatheria Varela et al. |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
Unr. †Megatheria
show all | hide all
Fm. †Megatheriidae Gray 1821
hide
G. †Diellipsodon Berg 1899
G. †Eomegatherium Kraglievich 1926
+
†Eomegatherium andinum Kraglievich 1930
†Eomegatherium cabrerai Kraglievich 1930
†Eomegatherium nanum Burmeister 1891
Subfm. †Megatheriinae Gill 1872
+
G. †Eremotherium Spillmann 1948
+
†Eremotherium eomigrans De Iuliis and Cartelle 1999
†Eremotherium laurillardi Lund 1842
+
Invalid names: Chelonia couperi Harlan 1842 [synonym], Eremotherium carolinense Spillmann 1948 [synonym], Eremotherium juanajuatense Duges 1882 [synonym], Megatherium hudsoni White 1941 [synonym], Xenocnus cearensis Paula Couto 1980 [synonym]
†Eremotherium rusconii Schaub 1935
†Eremotherium sefvei De Iuliis and Saint-Andre 1997
Invalid names: Schaubia Hoffstetter 1949 [synonym], Schaubitherium Hoffstetter 1950 [synonym], Xenocnus Paula Couto 1980 [synonym]
G. †Megathericulus Ameghino 1904
+
†Megathericulus patagonicus Ameghino 1904
+
Invalid names: Megathericulus primaevus Cabrera 1939 [synonym]
G. †Megatherium Cuvier 1796
+
†Megatherium altiplanicum Saint-Andre and De Iuliis 2001
†Megatherium americanum Cuvier 1796
+
Invalid names: Essonodontherium gervaisi Gervais and Ameghino 1880 [synonym]
†Megatherium bergi Moreno and Mercerat 1891
†Megatherium celendinense Pujos 2006
†Megatherium elenense Hoffstetter 1949
†Megatherium gallardoi Ameghino and Kraglievich 1921
†Megatherium gaudryi Moreno 1888
†Megatherium istilarti Kraglievich 1925
†Megatherium lundi Gervais and Ameghino 1880
†Megatherium medinae Philippi 1893
†Megatherium mirabile Leidy 1855
†Megatherium rectidens Rovereto 1914
†Megatherium sundti Philippi 1893
†Megatherium tarijense Gervais and Ameghino 1880
+
Invalid names: Megatherium filholi Moreno 1888 [synonym]
†Megatherium uquiense Kraglievich 1930
†Megatherium urbinai Pujos and Salas 2004
Invalid names: Essonodontherium Ameghino 1884 [synonym], Megatherium antiquum Ameghino 1885 [nomen dubium], Neoracanthus Ameghino 1889 [synonym], Oracanthus Ameghino 1885 [synonym]
G. †Plesiomegatherium Roth 1911
+
†Plesiomegatherium halmyronomum Cabrera 1928
†Plesiomegatherium hansmeyeri Roth 1911
Invalid names: Plesiomegatherium triangulatum Rusconi 1944 [nomen vanum]
G. †Pliomegatherium Kraglievich 1930
+
†Pliomegatherium lelongi Kraglievich 1930
+
Invalid names: Pliomegatherium paranensis Kraglievich 1930 [synonym]
G. †Pyramiodontherium Rovereto 1914
+
†Pyramiodontherium bergi Moreno and Mercerat 1891
+
Invalid names: Plesiomegatherium burmeisteri Moreno and Mercerat 1891 [synonym], Pyramiodontherium dubium Rovereto 1914 [synonym]
†Pyramiodontherium brevirostrum Carlini et al. 2002
†Pyramiodontherium carlesi Kraglievich 1930
†Pyramiodontherium remulsum Ameghino 1886
†Pyramiodontherium scillatoyanei De Iuliis et al. 2004
Invalid names: Xenocninae Paula Couto 1980 [synonym]
Unr. †Mylomorpha Ameghino 1885
+
G. †Promegatherium Ameghino 1883
+
†Promegatherium andinum Kraglievich 1930
†Promegatherium cabrerai Kraglievich 1930
†Promegatherium parvulum Ameghino 1891
†Promegatherium smaltatum Ameghino 1883
†Promegatherium smaltatus Ameghino 1883
Subfm. †Planopinae Ameghino 1887
+
G. †Planops Ameghino 1887
+
†Planops grandis Scillato-Yané and Carlini 1998
†Planops longirostratus Ameghino 1887
†Planops magnus Scott 1904
†Planops martini Hoffstetter 1961
†Planops obesus Ameghino 1891
G. †Prepotherium Ameghino 1891
+
†Prepotherium filholi Ameghino 1891
†Prepotherium moyani Ameghino 1894
†Prepotherium potens Ameghino 1891
Subfm. †Prepotherinae Ameghino 1894
+
Invalid names: Megatheriina Bonaparte 1850 [empty]
Fm. †Nothrotheriidae Ameghino 1920
hide
G. †Mcdonaldocnus Gaudin et al. 2022
+
†Mcdonaldocnus bondesioi Scillato-Yané 1979
†Mcdonaldocnus villarroeli Gaudin et al. 2022
+
Invalid names: Xyophorus villarroeli St-Andre 1996 [objective synonym]
Subfm. †Nothrotheriinae Ameghino 1920
+
G. †Amphibradys Scillato-Yané and Carlini 1998
+
†Amphibradys guiomari Scillato-Yané and Carlini 1998
G. †Nothrotheriops Hoffstetter 1954
G. †Nothrotherium Lydekker 1889
+
†Nothrotherium mexicanum Freudenberg 1921
†Nothrotherium shastense Sinclair 1905 [Shasta ground sloth]
+
†Nothrotherium shastense hawveri Stock 1918
Invalid names: Nothrotherium graciliceps Stock 1913 [synonym]
†Nothrotherium texanum Hay 1916
Invalid names: Coelodon Lund [replaced]
G. †Pronothrotherium Ameghino 1907
+
†Pronothrotherium mirabilis Kraglievich 1925
+
Invalid names: Pronothrotherium figueirasi Perea 1988 [synonym]
†Pronothrotherium subtypicum Rovereto 1914
†Pronothrotherium typicum Ameghino 1907
G. †Xyophorus Ameghino 1887
+
†Xyophorus andinus Ameghino 1891
†Xyophorus atlanticus Ameghino 1891
†Xyophorus crassissimus Ameghino 1894
Subfm. †Thalassocninae Muizon et al. 2004
+
G. †Thalassocnus Muizon and McDonald 1995
+
†Thalassocnus antiquus Muizon et al. 2003
†Thalassocnus carolomartini McDonald and Muizon 2002
†Thalassocnus littoralis McDonald and Muizon 2002
†Thalassocnus natans Muizon and McDonald 1995
†Thalassocnus yaucensis Muizon et al. 2004
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Ji et al. 2002, Carroll 1988, Hendy et al. 2009, Nowak 1999, Lillegraven 1979 |
Age range
Maximum range based only on fossils: base of the Burdigalian to the top of the Holocene or 20.44000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 17.5 Ma
Minimum age of oldest fossil (stem group age): 17.5 Ma
Collections (394 total)
Oldest occurrences | |||
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Miocene | Argentina (Santa Cruz) | Prepoplanops boleadorensis (204145) | |
Miocene - Pleistocene | Argentina (Santa Cruz) | Megatherium sp. (54123) | |
Colhuehuapian | Argentina (Mendoza) | Planopinae indet. (189519 189521) | |
Burdigalian | Colombia (La Guajira) | Megatheriidae sp. (166506) | |
Burdigalian - Langhian | Bolivia | Megatheriinae indet., Xyophorus bondesioi (91435) | |
Burdigalian - Langhian | Argentina (Santa Cruz) | Prepoplanops boleadorensis (197691) | |
Santacrucian | Argentina (San Juan) | Prepotheridae indet. (197900) | |
Santacrucian | Peru (Cusco) | Megatherium sp. (145126) | |
Santacrucian | Argentina (Santa Cruz) | Megatheriidae indet., Planopinae indet. (176623) Planops magnus (176591) Prepotherium filholi (87314) Prepotherium potens (176590 210153) Xyophorus atlanticus, Planopinae indet. (210638) | |
Friasian | Chile | Megathericulus friasensis (176666) | |
Langhian | Argentina (Chubut) | Xyophorus sp. (133676) | |
Langhian | Argentina (Neuquén) | Amphibradys guiomari, Planops grandis (197692) | |
Langhian | Bolivia (Potosí) | Megatheriinae indet., Xyophorus sp. (68402) | |
Middle Miocene | Venezuela (Falcón) | Megatheriidae indet. (63519) | |
Colloncuran | Argentina (Río Negro) | Prepotherium sp. (140692) | |
Serravallian | Bolivia (Tarija) | Megathericulus patagonicus (197501 197502) | |
Serravallian - Tortonian | Argentina (La Pampa) | Mcdonaldocnus sp. (231228) | |
Laventan | Bolivia (Tarija) | Lakukullus anatisrostratus (38071) | |
Laventan | Colombia (Huila) | Huilabradys magdaleniensis (188250) Megatheriinae indet. (133648 133693 135348 136211 187114 187976) Nothrotheriinae indet. (186607) | |
Laventan | Peru (Ucayali) | Megathericulus sp. (144950) |