physostomous
adjective
phy·sos·to·mous
variants
or less commonly physostomatous
¦fīsō¦stämətəs,
-stōm-
1
: of or relating to a physostome or the Physostomi : isospondylous
2
: having a duct between the air bladder and alimentary canal
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Merriam-Webster unabridged
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