Plagiosternum

Plagiosternum

Taxobox
name = "Plagiosternum"
status = fossil
fossil_range = Middle Triassic



image_width = 250px
image_caption = "Plagiosternum granulosum" skull.
regnum = Animalia
phylum = Chordata
classis = Amphibia
ordo = Temnospondyli
familia = Plagiosauridae
genus = "Plagiosternum"

"Plagiosternum" (plae-jee-oh-ster-num, meaning "sideways breastbone") was a poorly known middle Triassic amphibian that is native to Spitsbergen. Its feeding habit was believed to be raising its head underwater to suck in fish. The muscles that opened its mouth were strong, but the ones that closed them were weak. It is also believed that it had external gills, like those in a Carboniferous microsaur lepospondyl, Microbrachis, and in some salamanders, such as axolotls and mudpuppies, that live today.


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