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Table 3 Differences among the species of the genus Gephyroherpia Salvini-Plawen 1978

From: Three new species of Pruvotinidae (Mollusca: Solenogastres) from Antarctica and NW Spain

Gephyroherpia antarctica (?) triangulata impar n. sp.
Distribution Antarctica
Ross Sea, 342–714 m
Davis Sea, 385 m
Irish Sea
78 m
NW Spain
598–610 m
Length (mm) 4 2.4 7
Middorsal keel + +
Epidermal papillae + +
Posterior atrium Bilobed Trilobed Trilobed
Radula teeth    
 Distal hook + +
 Medial denticles 6–7
Radular sheath Unpaired Paired/unpaired Unpaired
Ducts of the ventrolateral foregut glandular organs Short Long Long
Oesophagus Short Long Long
Oesophageal glands +
Anterodorsal midgut caecum Paired/unpaired Paired/unpaired Unpaired
Midgut constrictions + +
Abdominal spicules +
Suprapallial glands + ?
Respiratory folds 10 15
Pedal fold reaches pallial cavity +
  1. + Presence, − absence, ? unknown. G. antarctica Salvini-Plawen 1978 in Salvini-Plawen (1978); G. (?) triangulata Salvini-Plawen, 2009 in Salvini-Plawen (2009)