e/Leptocardii

Information
has gloss	eng: Leptocardii or Leptocardia (from the Greek leptos, small + kardia, the heart) is a class within the phylum Chordata. Webster (1913) defines it as:
lexicalization	eng: Leptocardii
instance of	(noun) any animal of the phylum Chordata having a notochord or spinal column chordate