Aponuphis, Paxton, 2017

Paxton, Hannelore, 2017, Three new species of Aponuphis (Annelida: Onuphidae) from eastern Australia, Zootaxa 4344 (2) : -

Key to species of Aponuphis from Australia (adults only)

1 Brown pigment on peristomium and as dorsal horizontal bands ( Fig. 1 ); subacicular hooks from chaetiger 10–15; sandy tube.....................................................................................................2

- Brown pigment only as median vertical stripe starting from chaetiger 5–15 ( Fig. 1E ); subacicular hooks from chaetiger 23–28; transparent smooth tube.................................................................... A. bellani n. sp.

2 Prostomium anteriorly extended ( Fig. 2A, B ); chaetigers 1–3 with subulate ventral cirri; branchiae absent... A. annae n. sp.

- Prostomium anteriorly incised ( Fig. 6A ); branchiae present, starting from chaetiger 14–26; chaetigers 1–4 with subulate ventral cirri................................................................................ A. danicae n. sp.

Figures

FIGURE 1. Diagrammatical dorsal views of anterior ends of Aponuphis spp., showing variations in pigmentation. A, Aponuphis annae n. sp., morph A; B, same, morph B; C, same, morph C; D, same, morph D; E, A. bellani n. sp.; F, A. danicae n. sp.

FIGURE 2. Scanning electron micrographs of Aponuphis annae n. sp. (A – E) and A. bellani n. sp. (F, G). A, anterior part of body, dorsal view; B, enlarged head region of A, same view; C, pectinate chaeta from chaetiger 14; D, 15 - chaetiger juvenile, dorsal view; E, enlarged head region of juvenile, same view; F, anterior part of body, dorsal view; G, enlarged head region of F, same view.

FIGURE 6. Aponuphis danicae n. sp., line drawings. A, anterior part of body, dorsal view, holotype (AM W. 49485); B, parapodium of chaetiger 1, anterior view; C, parapodium of chaetiger 4, same view; D, parapodium of chaetiger 27, same view; E, upper long-appendaged tridentate pseudocompound hook from chaetiger 1; F, lower short-appendaged tridentate hook from same; G, median short-appendaged tridentate pseudocompound hook from chaetiger 4; H, pectinate chaeta from chaetiger 27; I, mandibles; J, maxillae.