pereioniten.
/pəˈrʌɪənʌɪt/, /pəˈriːənʌɪt/, U.S. /pəˈraɪəˌnaɪt/, /pəˈriəˌnaɪt/, /pəˈreɪəˌnaɪt/ Zoology.
A segment of the pereion of a crustacean.
ΚΠ
1967 U.S. National Mus. Bull. 259 11 ‘Pereonites’ include the seven thoracic segments of the body, each bearing one pair of pereopods.
1987 Jrnl. Crustacean Biol. 7 358 Most [barnacles] settled on pereionites and coxae and orientated toward the ventral region of the amphipod.
2001 Jrnl. Royal Soc. N.Z. 31 457 Important generic characters include..sternal gills medially on peraeonites 2–7, coxal gills and oostegites on peraeonites 2 or 3–6.
This is a new entry (OED Third Edition, September 2005; most recently modified version published online March 2022).
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n.1967