the echinoid fauna from japan and adjacent regions part i

Explanation of Plate 4
(Size as stated)
Figs. 1-2. Stomopneustes variolaris (LAlIIARCK, 1816) (for comparison). 1, aboral view of
Recent specimen, xl (IGPS call. cat. no. 78203, from the beach of Amami-Oshima,
Ryukyu Islands) ; 2, oral view of the same, xL
Figs. 3-7, 10, 12. Temnopleurlls torellmaticus (LESKE, 1778). 3, aboral view of fossil, x 2
(IGPS call. cat. no. 73731-1, from the By6ritsu formation of Shinchiku-shfi, Formosa) ;
4, aboral view of other fossil, x 2 (IGPS call. cat. no. 73731-2, from same locality and
horizon) ; 5, side view of an interambulacrum at the mid-zone of Recent specimen, x 5
(for comparison) (IGPS call. cat. no. 78204, from Wakasa Bay, Fukui Prefecture); 6,
side view of an ambulacrum at the mid-zone of the same, x 5 (for comparison); 7,
oral view of specimen in figure 3, x 2; 10, side view of specimen in figure 3, x 2; 12,
side view of specimen in figure 4, x 2.
Figs. 9, 13. Temnoplellrus hardwickii (GRAY, 1855). 9, oral view of fossil, xl (IGPS call.
cat. no. 27439, from the Narita formation of Chiba Prefecture); 13, side view of the
same, xl.
Figs. 11, 14. Temnoplellrlls (Toreumatica) reevesii (GRAY, 1855). 11, side view of a part of
aboral side of fossil, x 3 (IGPS call. cat. no. 73730, from the Narita formation of Chiba
Prefecture) ; 14, side view of other fossil, x 2.5 (IGPS call. cat. no. 73729, from the
Jiz6d6 formation of Chiba Prefecture).
Photo by K. KUMAGAI