Paradiopatra pyricirra, Budaeva & Fauchald, 2011

Budaeva, Nataliya & Fauchald, Kristian, 2011, Phylogeny of the Diopatra generic complex with a revision of Paradiopatra Ehlres, 1887 (Polychaeta: Onuphidae), Zoological Journal of the Linnean Society 163 (2), pp. 319-436 : 393-395

PARADIOPATRA PYRICIRRA SP. NOV.

( FIGS 63–65 ; TABLE 14)

Type material: ZMUB 87050 , Vityaz St. 3539 (holotype) ; ZMUB 87051 , the same locality as holotype (one paratype) .

Non-type material examined: SIO RAS, the same locality as holotype (seven) .

Type locality: Pacific Ocean , south-west of Japan, 30.62°N, 128.695°E, 700–771 m.

Diagnosis: First three pairs of parapodia with pseudocompound bidentate falcigers with moderately long pointed hoods and distinct teeth; ventral cirri thick and pyriform on first three chaetigers; subacicular hooks starting from chaetiger 9; branchiae pectinate with between two and four filaments, starting from chaetigers 6–9; peristomial cirri present.

Figures

Figure 63. Paradiopatra pyricirra sp. nov. (SIO RAS, Vityaz St. 3539): A, anterior end, dorsal view; B, anterior end, ventral view; C, maxillae; D, mandibles; E, bidentate pseudocompound falciger from chaetiger 1; F, subacicular hook from chaetiger 34; G, pectinate chaeta from chaetiger 93; H, parapodium of chaetiger 1, anterior view; I, parapodium of chaetiger 3, anterior view; J, parapodium of chaetiger 7, anterior view; K, parapodium of chaetiger 9, anterior view; L, parapodium of chaetiger 19, anterior view; M, parapodium of chaetiger 34, anterior view; N, parapodium of chaetiger 93, anterior view.

Figure 64. Paradiopatra pyricirra sp. nov.: relationship between body width of specimens (N = 9) and origin of branchiae (y = -3.20x + 12.96; R2 = 0.4843; P = 0.0373).