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Protoglyptodon Temporal range: Late Miocene ~9–7 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Mammalia
Order:	Cingulata
Family:	Chlamyphoridae
Subfamily:	†Glyptodontinae
Genus:	†Protoglyptodon Ameghino, 1885
Type species
†Protoglyptodon primiformis Ameghino, 1885
Species
P. primiformis Ameghino, 1885 P. sagradoi Calcaterra, 1978 P. sanpedroi Calcaterra, 1978 P. solidus Ameghino, 1891

Protoglyptodon is an extinct genus of glyptodont. It lived during the Late Miocene, and its fossilized remains were found in South America.

Description

This animal, like all glyptodonts, had a dorsal armor protecting a large part of the body, consisting of well-fused polygonal osteoderms. The osteoderms were quite similar to those of Palaeohoplophorus, with a medium-sized, depressed central figure, and with wrinkled and irregular peripheral areas. Its carapace appearance was more irregular in Protoglyptodon. Its caudal tube bore osteoderms whose main figures were surrounded by a crown of perforations, but separated by peripheral areas decorated in a very irregular way.

Classification

Protoglyptodon primiformis was first described in 1885 by Florentino Ameghino, based on incomplete fossil remains coming from Late Miocene terrains of Argentina, first erroneously attributed to the Oligocene. Protoglyptodon was a member of the tribe Hoplophorini, a diverse and long-lived group of glyptodonts ; Protoglyptodon was closely related to the better known genus Palaehoplophorus.

Bibliography

• F. Ameghino. 1885. Nuevos restos de mamíferos fósiles Oligocenos recogidos por el Profesor Pedro Scalabrini y pertenecientes al Museo Provincial de la ciudad del Parana . Boletín de la Academia Nacional de Ciencias 8:1-205
• A. L. Cione, M. M. Azpelicueta, M. Bond, A. A. Carlini, J. R. Casciotta, M. A. Cozzuol, M. Fuente, Z. Gasparini, F. J. Goin, J. Noriega, G. J. Scillato-Yane, L. Soibelzon, E. P. Tonni, D. Verzi, and M. G. Vucetich. 2000. Miocene vertebrates from Entre Rios province, eastern Argentina. Serie Correlacion Geologica 14:191-237

v t e Genera of armadillos and their extinct allies
Kingdom: Animalia Phylum: Chordata Class: Mammalia Superorder: Xenarthra
Cingulata Incertae sedis †Noatherium †Saltatherium †Peltephilidae Anantiosodon Epipeltephilus Parapeltecoelus Peltecoelus Peltephilus Ronwolffia †Pachyarmatheriidae Neoglyptatelus Pachyarmatherium †Pampatheriidae Holmesina Kraglievichia Machlydotherium? Pampatherium Plaina Scirrotherium Tonnicinctus Vassallia Yuruatherium Dasypodidae †Acantharodeia †Amblytatus †Archaeutatus †Barrancatatus †Chasicotatus †Chorobates †Coelutatus †Eocoleophorus †Epipeltecoelus †Eutatus †Hemiutaetus †Isutaetus †Lumbreratherium †Macrochorobates †Mazzoniphractus †Meteutatus †Prodasypus †Prostegotherium †Pucatherium †Punatherium †Stenotatus †Utaetus Dasypodinae †Stegotherium †Astegotheriini Astegotherium Nanoastegotherium Parastegosimpsonia Riostegotherium Stegosimpsonia Dasypodini †Anadasypus Dasypus †Pliodasypus †Propraopus Chlamyphoridae †Proeutatus Chlamyphorinae Calyptophractus †Chlamydophractus Chlamyphorus Euphractinae Chaetophractus †Doellotatus Euphractus †Macroeuphractus †Paleurphractus †Proeuphractus †Prozaedyus Zaedyus †Glyptodontinae Andinoglyptodon Asterostemma Boreostemma Castellanosia Clypeotherium Cochlops Comaphorus Coscinocercus Daedicuroides Doedicurus Eleutherocercus Eosclerocalyptus Eucinepeltus Glyptatelus Glyptodon Glyptodontidium Glyptostracon Glyptotherium Heteroglyptodon Hoplophorus Kelenkura Lomaphorus Metopotoxus Neosclerocalyptus Neothoracophorus Neuryurus Palaehoplophorus Palaeopeltis Panochthus Paraglyptodon Parapropalaehoplophorus Phlyctaenopyga Plaxhaplous Plohophorus Prodaedicurus Propalaehoplophorus Protoglyptodon Pseudoneothoracophorus Stromaphorus Stromatherium Trachycalyptus Urotherium Xiphuroides Tolypeutinae Cabassous †Kuntinaru †Pedrolypeutes Priodontes Tolypeutes †Vetelia

• Prehistoric cingulates
• Prehistoric placental genera
• Miocene xenarthrans
• Miocene genus first appearances
• Miocene mammals of South America
• Miocene genus extinctions
• Neogene Argentina
• Fossils of Argentina
• Fossil taxa described in 1885
• Taxa named by Florentino Ameghino