- Plagiosternum
Taxobox
name = "Plagiosternum"
status = fossil
fossil_range =Middle Triassic
image_width = 250px
image_caption = "Plagiosternum granulosum" skull.
regnum =Animal ia
phylum =Chordata
classis =Amphibia
ordo =Temnospondyli
familia =Plagiosauridae
genus = "Plagiosternum""Plagiosternum" (plae-jee-oh-ster-num, meaning "sideways
breastbone ") was a poorly known middleTriassic amphibian that is native toSpitsbergen . Its feeding habit was believed to be raising its head underwater to suck infish . Themuscle s that opened itsmouth were strong, but the ones that closed them were weak. It is also believed that it hadexternal gills , like those in aCarboniferous microsaur lepospondyl,Microbrachis , and in somesalamander s, such asaxolotl s and mudpuppies, that live today.
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