New species and new records of scaphopods from New Caledonia
Scarabino, Victor
Mémoires du Muséum national d'Histoire naturelle
2008
196
215
268
7P6S3
Cossmann
1888
[272,455,890,913]
Scaphopoda
Laevidentaliidae
Laevidentalium
Animalia
Dentaliida
29
244
Mollusca
genus
Laevidentalium sominium- Scarabino 1995: 296. No material cited from New Caledonia.
MATERIAL EXAMINED. — New Caledoniaproper.BATHUS 2: stn CP 743, Passe de Boulari, 22°36’S, 166°26’E, 713-950 m, 1 dd.
DISTRIBUTION. — Japanand New Caledonia. First record for New Caledonia.
REMARKS. — The best illustration of the holotype(NSMT-Mo 69572, from Sagami Bay, 35°03.6’N, 139°22.4’E, 1320- 1400 m, Japan) was published by Higo et al.(2001: 187, fig. S 26). Scarabino (1995) included it in the genus Rhabdus. However, as I have not been able to study the radula, I here retain it in Laevidentaliumwith a question mark. On the other hand, based on radular morphology, notably of the rachidians, Steiner (1999: 155)suggested that it should be placed in Episiphon; however, he did not transfer it, retaining it in Laevidentalium, but it was later transferred by Steiner & Kabat (2004: 645). However, Steiner’s drawing of the radula ( Steiner 1999: fig. 8) calls attention to the similarity of the lateral and marginal teeth to those of Rhabdus perceptum(Scarabino 1995: 298, fig. 102j). Thus, faced with the difficulties of identifying smooth-shelled dentaliid scaphopods, I agree with Steiner’s call for urgent studies of both the radula and other anatomical features to clarify the status of scaphopod families and genera. Order GADILIDA Starobogatov, 1974
Suborder ENTALIMORPHA Steiner, 1992 Family ENTALINIDAE Chistikov, 1979 Subfamily ENTALININAE Chistikov, 1979
de Boulari
New Caledonia
831
-22.6
Passe de Boulari
1259
166.43333
29
244
1