6 - Sphaeromatidae::“Cute As Buttons”

64 ANTHURIDEA • PARANTHURIDAE
Family Paranthuridae Menzies and Glynn, 1968
DIAGNOSIS Mouthparts together forming somewhat elongate cone adapted
for piercing and sucking. Mandible with styliform incisor, lacking lamina
dentata and molar. Maxilla slender, styliform, distally serrate. Maxilliped
elongate; number of palp articles usually reduced. Pereopod 1, or pereopods
1-3 subchelate. Pleopod 1 exopod operculiform. Pleonites short, free or
Key to genera of Paranthuridae
1. Pereopod 7 lacking in adult 2
Pereopod 7 present in adult 3
2. Eyes present Colanthura
Eyes absent Curassanthura
3. Antennular and antennal flagellum of more than 10
articles Accalathura
Antennular and antennal flagella with fewer than 10 articles 4
4. Antennal flagellum a single (rarely two or 3) flattened article;
maxillipedal palp of one or two articles Paranthura
Antennal flagellum of seven articles; maxillipedal palp of three articles
Accalathura Barnard, 1925
Virganthura
DIAGNOSIS Eyes present. Antennular and antennal flagella multiarticulate,
each of more than 10 articles. Mandibular palp of three articles. Maxillipedal
Key to species of Accalathura
1. Uropodal exopod elongate-narrow; endopod length twice basal width
crenulata
Uropodal exopod ovate, apically subacute; endopod length 1.5 times
basal width setosa