Family Nymphonidae

Appendage I and II present. Appendage II five-articulate, appendage I two-articulate, longer than proboscis, second article with dactyls having long or short teeth.

No photo

Genus Nymphon

Eye tubercles high, eyes present, dactyls of chela slightly bent with teeth on the inner edge; serrated spines with denticulate plates, claw of appendage III with teeth; bottom of foot of eighth article of walking legs with basal spines.

No photo

Genus Boreonymphon

Eye tubercles low, eyes absent; dactyls of chela bent to semicircular shape with smooth inner edge; serrated spines with smooth edges; claw of appendage III lacking teeth on inner edge; bottom of foot of eighth article of legs lacking basal spines, only row of short setae present.

Genus Nymphon

Eye tubercles high, eyes present, dactyls of chela slightly bent with teeth on the inner edge; serrated spines with denticulate plates, claw of appendage III with teeth; bottom of foot of eighth article of walking legs with basal spines.

Nymphon serratumNymphon serratumNymphon megalopsNymphon megalops

Genus Boreonymphon

Eye tubercles low, eyes absent; dactyls of chela bent to semicircular shape with smooth inner edge; serrated spines with smooth edges; claw of appendage III lacking teeth on inner edge; bottom of foot of eighth article of legs lacking basal spines, only row of short setae present.

Boreonymphon abyssorumBoreonymphon abyssorumBoreonymphon compactumBoreonymphon compactumBoreonymphon ossiansarsiBoreonymphon ossiansarsiBoreonymphon robustumBoreonymphon robustum

Phylum:Arthropoda
Class:Pycnogonida
Order:Pantopoda

Detailed description is not set.

1. PhD Zakharov Denis V.

1. PhD Zakharov Denis V.

The project leader

Academic degree: PhD
Occupation: senior scientist
Workplace: Polar Research Institute of Marine Fisheries and Oceanography (PINRO)
Taxonomic group: Gastropoda
E-mail: zakharden@yandex.ru

2. Zimina Olga L.

2. Zimina Olga L.

The project leader

Occupation: scientist
Workplace: Murmansk Marine Biological Institute (MMBI)
Taxonomic group: Malacostraca, Cirripedia, Pycnogonida
E-mail: o.l.zimina@gmail.com

  1. Just J. (1972). Revision of the genus Boreonymphon G.O. Sars (Pycnogonida) with a description of two new species, B. Ossiansarsi Knaben and B. compactum Just. Sarsia, 49, 1-28.;