Order Pantopoda

No photo

Family Ammotheidae

Appendage I present. Appendage II present. Appendage II with six-ten articles, appendage I shorter than proboscis; dactyls on the chela absent in adults, but present and small in subadults and juveniles.

Body disc-shaped, body segments usually fused (eye tubercles of varying shape; eyes usually pigmented; appendage I two-articulate, accessory claws present).

No photo

Family Ascorhynchidae

Appendage I present. Appendage II present. Appendage II with six-ten articles, appendage I shorter than proboscis; dactyls on the chela absent in adults, but present and small in subadults and juveniles.

Body elongate, segmented.

No photo

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

Family Callipallenidae

Appendage I present. Appendage II absent or rudimentary. Appendage III ten-articulate in both sexes

No photo

Family Phoxichilidiidae

Appendage I present. Appendage II absent or rudimentary. Appendage III five to nine articulate only in males.

No photo

Family Colossendeidae

Appendage I absent. Appendage II nine-articulate, appendage III ten-articulate.

No photo

Family Pycnogonidae

Appendage I absent. Appendage II absent, appendage III nine-articulate only in males.

Family Ammotheidae

Appendage I present. Appendage II present. Appendage II with six-ten articles, appendage I shorter than proboscis; dactyls on the chela absent in adults, but present and small in subadults and juveniles.

Body disc-shaped, body segments usually fused (eye tubercles of varying shape; eyes usually pigmented; appendage I two-articulate, accessory claws present).

Family Ascorhynchidae

Appendage I present. Appendage II present. Appendage II with six-ten articles, appendage I shorter than proboscis; dactyls on the chela absent in adults, but present and small in subadults and juveniles.

Body elongate, segmented.

No photoEurycyde hispidaNo photoAscorhynchus abyssi

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.

Nymphon serratumNymphon serratumBoreonymphon abyssorumBoreonymphon abyssorumNymphon megalopsNymphon megalopsBoreonymphon compactumBoreonymphon compactumBoreonymphon ossiansarsiBoreonymphon ossiansarsiBoreonymphon robustumBoreonymphon robustum

Family Callipallenidae

Appendage I present. Appendage II absent or rudimentary. Appendage III ten-articulate in both sexes

No photoPseudopallene spinipesNo photoCordylochele malleolataNo photoPseudopallene brevicollisNo photoPseudopallene circularis

Family Phoxichilidiidae

Appendage I present. Appendage II absent or rudimentary. Appendage III five to nine articulate only in males.

No photoAnoplodactylus petiolatusNo photoPhoxichilidium femoratum

Family Colossendeidae

Appendage I absent. Appendage II nine-articulate, appendage III ten-articulate.

Colossendeis angustaColossendeis angustaNo photoColossendeis proboscidea

Family Pycnogonidae

Appendage I absent. Appendage II absent, appendage III nine-articulate only in males.

No photoPycnogonum litorale

Phylum:Arthropoda
Class:Pycnogonida

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.;