perichaetine
/ˌpɛrɪˈkiːtʌɪn/Zoology
adjective
Of, relating to, or designating an oligochaete worm having numerous setae forming a ring around each segment, as in earthworms of the genus Perichaeta.
Origin
1930s. From peri- + chaeta + -ine, after German perichaetin.