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The word armadillo means ' little armored one ' in Spanish; [2] [3] it is derived from armadura ' armor ', with the diminutive suffix -illo attached. While the phrase little armored one would translate to armadito normally, the suffix -illo can be used in place of -ito when the diminutive is used in an approximative tense. [4]
This dermal armor is found prominently in many lizards. Some early amphibians have this armor, but it is lost in modern species with the exception a ventral plate, called the gastralia. [3] [4] Osteoderm demonstrates a slightly delayed development compared with the rest of the skeleton, as it does not appear until after hatching has occurred.
The armadillo osteoderm is believed to develop in subcutaneous dermal tissues. [2] These varied structures should be thought of as anatomical analogues, not homologues , and do not necessarily indicate monophyly .
Doedicurus (Ancient Greek δοῖδυξ "pestle" and oυρά "tail") is an extinct genus of glyptodont from South America containing one species, D. clavicaudatus.Glyptodonts are a member of the family Chlamyphoridae, which also includes some modern armadillo species, and they are classified in the superorder Xenarthra alongside sloths and anteaters.
Armour, although all used for the sole intent to ward off attackers, can be split into defensive and offensive armour. Examples of offensive armour are horns, hooves, antlers, claws and beaks, clubs and pincers, as developed in some mammals, birds, reptiles (including dinosaurs, such as the dromaeosaurid claw and the ceratopsian horn) and arthropods.
Dermal scutes are also found in the feet of birds and tails of some mammals, and are believed to be the primitive form of dermal armour in reptiles. The term is also used to describe the heavy armour of the armadillo and the extinct Glyptodon , and is occasionally used as an alternative to scales in describing snakes or certain fishes, such as ...
Armadillo Rambo is really different from his puppy siblings, but that doesn't mean they don't like spending time together on the couch. Haven't you heard the expression "opposites attract?"
Glyptodonts are an extinct clade of large, heavily armoured armadillos, reaching up to 1.5 metres (4.9 ft) in height, and maximum body masses of around 2 tonnes.They had short, deep skulls, a fused vertebral column, and a large bony carapace made up of hundreds of individual scutes.