SINCE 1828
Ptenoglossa
plural noun
Pteno·glos·sa
| \ ˌtenəˈgläsə, ˌtēn-, -lȯsə\
Definition of Ptenoglossa
in some classifications
: a division of Pectinibranchia comprising the gastropod families Janthinidae and Epitoniidae in which the median tooth is very small or wanting and the lateral teeth are strong and hooked and largest at the outside of each row
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