Cranchia scabra, Leach, 1817

Bolstad, K. S. R., Perez, J. A. A., Strugnell, J. M. & Vidal, E. A. G., 2014, Cranchiids of the South Atlantic Mid-Oceanic Ridge: results from the first southern MAR-ECO expedition, Journal of Natural History 49 (21), pp. 1351-1371 : 1357

Cranchia scabra

( Figure 2A ) was represented in cruise collections by eight small specimens (ML 6.7–15.3 mm). The manus was unexpanded ( Figure 3A ), with ~16 rows of four small suckers, of equal size across each transverse row and all of similar morphology along the manus and dactylus. Each sucker possessed a single row of elongate-polygonal-faced pegs proximally and two rows of smaller circular-faced pegs distally. The margin of the infundibular ring was smooth proximally and distally, or distally produced into several low, rounded teeth.

Figures

Figure 2. Cranchiin specimens collected by SA MAR-ECO. (A) Cranchia scabra, ME 38828, mantle length (ML) 10 mm. (B, C) Liocranchia reinhardti: (B) ME 39772, ML 9.4 mm; (C) ME 38338, ML 41.1 mm. Scale bars = (A, B) 1 mm, (C) 10 mm.

Figure 3. Tentacle clubs of cranchiin species. (A) Cranchia scabra, ME 38828, mantle length (ML) 10 mm. (B–D) Liocranchia reinhardti: (B) ME 39432, ML 7.7 mm; (C) ME 39772, ML 11.2 mm; (D) ME 38838, ML 41.1 mm. Scale bars = 500 µm.