Holmograptus lentus (Törnquist, 1911)

1911     Didymograptus lentus n. sp. — Törnquist, pp. 430-432, fig. 5:10-15

1932     Didymograptus callotheca Bulman — Bulman, pp. 16-19, fig. 2-5

1936     Didymograptus callotheca Bulman — Bulman, pp. 23, fig. 2:1-15

1937     Didymograptus lentus Törnquist — Ekström, pp. 26, fig. 2:7-8

1950     Didymograptus callotheca Bulman — Bulman, pp. 390, fig. 1A-C

1950     Didymograptus callotheca Bulman — Bulman, pp. 4

1954     Holmograptus callotheca Bulman — Kozlowski, pp. 432-434, fig. 6

1955     Didymograptus callotheca Bulman — Bulman, pp. V80, fig. 57, 1d-e

1957     Tylograptus geniculiformis n. sp. — Mu, pp. 429-430, fig. 5:1-2; 8:1

1960     Holmograptus lentus Törnquist — Jaanusson, pp. 341-342, fig. 5:11

1965     Holmograptus lentus (Törnquist, 1911) — Skevington, pp. 41-44, fig. 47-50

1995     Holmograptus lentus (Törnquist, 1911) — Maletz, pp. 256