Diagnosis
provided by World Register of Marine Species
Original diagnosis from Blake & Maciolek (1992: 724): Prostomium incised, developed into 2 frontal lobes or weak horns; caruncle short; occipital tentacle lacking. Peristomium lacking lateral wings. Dorsal branchiae from setiger 2, ventral branchiae from an anterior segment, or ventral branchiae completely absent; branchiae closely associated with parapodial lamellae, continuing to posterior end. Setiger 1 reduced, with notopodia reduced to single lamella lacking notosetae; notopodia and neuropodia with capillaries and hooded hooks; some anterior notopodia with rosettes or clusters of heavy pointed spines, or spines absent; anterior neuropodia with fascicles of heavy spines. Genital pouches lacking. Pygidium simple, conical, lacking cirri.
Blake, James A.; Maciolek, Nancy J. (1992). Polychaeta from deep-sea hydrothermal vents in the eastern pacific. III. A new genus and two new species of Spionidae from the Guaymas Basin and Juan de Fuca Ridge with comments on a related species from the western North Atlantic.
Proceedings of the Biological Society of Washington. 105(4): 723-732.
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- cc-by-4.0
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- WoRMS Editorial Board
- bibliographic citation
- Blake, James A.; Maciolek, Nancy J. (1992). Polychaeta from deep-sea hydrothermal vents in the eastern pacific. III. A new genus and two new species of Spionidae from the Guaymas Basin and Juan de Fuca Ridge with comments on a related species from the western North Atlantic. <em>Proceedings of the Biological Society of Washington.</em> 105(4): 723-732. Blake, James A.; Maciolek, Nancy J. (1992). Polychaeta from deep-sea hydrothermal vents in the eastern pacific. III. A new genus and two new species of Spionidae from the Guaymas Basin and Juan de Fuca Ridge with comments on a related species from the western North Atlantic. <em>Proceedings of the Biological Society of Washington.</em> 105(4): 723-732.
- contributor
- João Gil [email]
