検索結果（標本）

Trigonucula sakawana (Ichikawa) var. inequilatera Ichikawa   Holotype

Ichikawa, K., 1954b   p. 183, pl. 17, fig. 7

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 2, p. 46.

Trigonucula sakawana Ichikawa   Holotype

Ichikawa, K., 1949   p. 268, pl. 10, fig. 1

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 2, p. 44.

Trigonucula sakawana Ichikawa   Paratype

Ichikawa, K., 1949   p. 268, pl. 10, figs. 2, 3

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 2, p. 44.

Trigonucula sakawana Ichikawa   Paratype

Shikama, T., 1952   p. 184, pl. 54, fig. 10

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 15, p. 150.

Trigonucula sakawana Ichikawa   Paratype

Shikama, T., 1964   p. 116, pl. 35, fig. 21

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 15, p. 164.

Trigonucula sakawana Ichikawa   Holotype

Hayami, I., 1975   p. 19, pl. 1, fig. 1

Mesozoic | Mollusca : Bivalvia

Material Reports, no. 2, p. 39.

Trigonucula sakawana var. lata   Holotype

Ichikawa, K., 1949   p. 269, pl. 10, fig. 6

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 2, p. 44.

Trigonucula sakawana var. tokombensis   Holotype

Ichikawa, K., 1949   p. 269, pl. 10, figs. 4, 5

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 2, p. 44.

Trigonucula sp.

Ichikawa, K., 1954b   p. 185, pl. 17, fig. 6

Mesozoic | Mollusca : Bivalvia : Nuculidae

Material Reports, no. 2, p. 46.