Heteronardoa carinata ( Koehler, 1910 )

Mah, Christopher L., 2021, The East Pacific / South Pacific Boundary: New taxa and occurrences from Rapa Nui (Easter Island), New Caledonia and adjacent regions, Zootaxa 4980 (3), pp. 401-450 : 425-426

Heteronardoa carinata ( Koehler, 1910)

Figure 10A–D

Koehler 1910: 165 (as Nardoa ).

Koehler 1910: 168; Fisher 1919: 383 (as Nardoa squamulosa ).

H.L. Clark 1921: 56; A.M. Clark 1967: 186 (as Certonardoa carinata ).

H.L. Clark 1921: 56 (as Certonardoa squamulosa ).

Macan 1938: 408 (as Narcissia mohamedi ).

Hayashi 1973a: 6; 1973b: 65 (as Heteronardoa sagamina ).

Rowe 1976: 86; Jangoux 1986: 134 (as Heteronardoa ).

Comments. Heteronardoa was reviewed by Rowe (1976), who recognized two species, Heteronardoa carinata , which possessed adradial plates extending to the arm tip and Heteronardoa diamintinae which was characterized by an incomplete series of adradial plates and a higher number of furrow spines.

Occurrence. Gulf of Aden , Arabian Sea , Maldives, Seychelles, Solomon Islands, Andaman Islands , off northwestern Australia, Aru Islands, Philippines, Macassar Strait, Indonesia, Japan. New Caledonia, Coral Sea. 31– 252 m.

Material examined. MNHN IE-2013-5988 . New Caledonia, 19º03′67″S, 163º 28′05″E, 358– 252 m. Coll. BATHUS 4 , St. 936, 8 Aug. 1996, 1 wet spec. R =6.6, r=1.0. MNHN IE-2013-12143 . New Caledonia, 19º8′54.5388″S, 163º29′22.812″E, 170– 190 m. Coll. BATHUS 4 , st. 932, 8 Aug. 1996. 1 wet spec. R =6.6, r=1.4. MNHN IE-2013- 9388 . New Caledonia, 22°41′S, 167°4′E to 22°40 ′S, 167°3′E, 181– 240 m. Coll. KANACONO, DW 4726, 20 Aug. 2016, 1 wet spec. R =8.1, r=1.1.

Figures

FIGURE 10. Heteronardoa carinata MNHN IE-2013-5988 (New Caledonia): A. Abactinal view. Scale bar equals 1.0 cm. B. Abactinal-lateral view. Scale bar equals 0.5 cm. C. Actinal view. Scale bar equals 1.0 cm. D. Actinal close-up and furrow spines. Scale bar equals 0.5 cm.