54


Journal of Paleontology 91(1):25–72


Remarks.—We also include forms with an apical horn (e.g., Takemura, 1986, pl. 5, fig. 16) in this species.


Parahsuum sp. aff. P. snowshoense (Pessagno and Whalen, 1982) Figure 7.51


Remarks.—This species differs from P. snowshoense by having less-pronounced strictures and partly thickened costae.


Parahsuum sp. 1 sensu O’Dogherty et al., 2006 Figure 7.49


Remarks.—Our specimen is closely related to P. snowshoense (Pessagno and Whalen), but differs by having a slender shell not constricted distally. Segments are trapezoidal in outline and possess four longitudinal rows of pores.


Parahsuum sp. 2 sensu O’Dogherty et al., 2006 Figure 7.56−7.60


Remarks.—This species shows an irregular arrangement of costae over most of the shell. The linear arrangement of costae, character- istic of Parahsuum, is only visible in the distalmost part.


Parahsuum sp. 3 sensu O’Dogherty et al., 2006 Figure 7.62−7.63


Remarks.—Shell conical proximally, cylindrical distally. Costae sharp, high in relief, faintly disappearing proximally.


Genus Semihsuum Pessagno, Blome, and Hull in Pessagno et al., 1993


Type species.—Hsuum? inexploratum Blome, 1984. Occurrence.—Lower Bajocian to upper Callovian.


Semihsuum amabile (Aita, 1987) Figure 7.15−7.16


1985 Archaeodictyomitra (?) amabilis Aita, fig. 6.6.


2006 Hsuum (?) amabile;O’Dogherty et al., p. 431, pl. 1, figs. 21−22. [See for complete synonymy]


2009 Archaeodictyomitra amabilis; Suzuki and Gawlick, p. 169, figs. 5.10, 6.20 A–B.


2012 Semihsuum amabile; Djeric et al., pl. 1, fig. 28. 2013 Archaeodictyomitra (?) amabilis; Chiari et al., Fig. 12b.


Family Archaeodictyomitridae Pessagno, 1976 Genus Belleza Hull, 1997


Type species.—Stichocapsa decora Rüst, 1885. Occurrence.—Upper Bajocian to upper Callovian.


Belleza decora (Rüst, 1885) Figure 8.53


1981 1999 2008 1885 Stichocapsa decora Rüst, p. 319, pl. 17, fig. 3.


1990 Sethocapsa (?) lineaplena Yang and Wang, p. 210, pl. 4, figs. 7?, 12–13.


1995b Stichocapsa decora; Baumgartner et al., p. 520, pl. 3269, figs. 1−2, not figs. 3−4.


1997 Belleza decora (Rüst); Hull, p. 142, pl. 47, figs. 5−6, 14, 22−23


2006 Mictyoditra decora;O’Dogherty et al., p. 431, pl. 1, fig. 23 [See for complete synonymy]


Genus Archaeodictyomitra Pessagno, 1976


Type species.—Archaeodictyomitra squinaboli Pessagno, 1976. Occurrence.—Lower Pliensbachian to upper Campanian.


Archaeodictyomitra sp. cf. A. annulata Kozur and Mostler in Grill and Kozur, 1986 Figure 7.21


1986 Archaeodictyomitra annulata Kozur and Mostler in Grill and Kozur, p. 257, pl. 10, fig. 2.


Remarks.—As stated by the original authors, this species is very distinct by its hoop-like second-last segment.


Archaeodictyomitra minoensis (Mizutani, 1981) Figure 7.40−7.42


Pseudodictyomitra minoensis Mizutani, p. 178, pl. 58, fig. 4; pl. 63, figs. 9–10.


1995b Archaeodictyomitra minoensis; Baumgartner et al., p. 104, pl. 3305, figs. 1–5. [See for complete synonymy]


Archaeodictyomitra minoensis; Hori, p. 81, fig. 7.12.


Archaeodictyomitra minoensis; Auer et al., fig. 9.4.


Archaeodictyomitra praeapiarium Cordey, 1998 Figure 7.36−7.37


1982 Archaeodictyomitra apiara (Rüst); Nishizono et al., pl. 3, fig. 4.


1998 Archaeodictyomitra praeapiarium Cordey, p. 99, pl. 28, figs. 9−10.


Remarks.—According to Cordey 1998, this species differs from A. apiarium by less-pronounced constrictions and continuous costae, also in the most proximal part.


Archaeodictyomitra prisca Kozur and Mostler in Grill and Kozur, 1986


Figure 7.43−7.45


1986 2006


Archaeodictyomitra prisca Kozur and Mostler in Grill and Kozur, p. 258, pl. 8, figs. 3−6; pl. 9, fig. 1.


Archaeodictyomitra prisca;O’Dogherty et al., p. 430, pl. 1, figs. 4−5. [See for complete synonymy]


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