Archaeocenosphaera laseekensis Pessagno and Yang

Cifer, Tim, Goričan, Špela, Gawlick, Hans-Jürgen & Auer, Matthias, 2020, Pliensbachian, Early Jurassic radiolarians from Mount Rettenstein in the Northern Calcareous Alps, Austria, Acta Palaeontologica Polonica 65 (1), pp. 167-207 : 175-176

Archaeocenosphaera laseekensis Pessagno and Yang in Pessagno et al., 1989

Fig. 8T, U.

1989 Archaeocenosphaera laseekensis Pessagno and Yang sp. nov.; Pessagno et al. 1989: 203, pl. 2: 18, 21, 22, 25.

1998 Archaeocenosphaera laseekensis Pessagno and Yang in Pessagno et al., 1989; Carter et al. 1998: 57: pl. 11: 1, 5, 9, 21.

2001 Cenosphaera laseekensis (Pessagno and Yang in Pessagno et al., 1989); Gawlick et al. 2001: fig. 2: 1; fig. 5: 2.

2005 Archaeocenosphaera laseekensis Pessagno and Yang in Pessagno et al., 1989; Carter and Hori 2005: pl. 1A: 5.

2007 Archaeocenosphaera laseekensis Pessagno and Yang in Pessagno et al., 1989; Longridge et al. 2007: 161, pl. 2: 15.

2011 Archaeocenosphaera laseekensis Pessagno and Yang in Pessagno et al., 1989; Bertinelli and Marcucci 2011: 410, pl. 2: 7.

2011 Archaeocenosphaera laseekensis Pessagno and Yang in Pessagno et al., 1989; Yeh 2011: 34, pl. 18: 15, 21.

Material.—Sample Rö37: stubs Rö37_1 (two specimens), Rö37_2 (two specimens), Rö37_4 (31 specimens), Rö37_5 (one specimen); sample Rö38: stub Rö38_1 (three specimens); sample Rö40: stub Rö40_1 (36 specimens); sample Rö97: stubs Rö97_1 (two specimens), Rö97_2 (28 specimens), Rö97_3 (35 specimens); sample Rö416: stub Rö416_5 (seven specimens); sample Rö 417: stub Rö 417 (ten specimens), Mount Rettenstein , Northern Calcareous Alps, Austria, Lower Pliensbachian .

Remarks.—We follow Carter et al. (1998) who included

Archaeocenosphaera of considerably variable size in this species.

Stratigraphic and geographic range.—Lowermost Hettangian to lower Sinemurian ( Carter et al. 1998), Bajocian ( Yeh 2011), Lower Pliensbachian (this study). British Columbia Canada), east-central Oregon ( USA), Italy, Northern Calcareous Alps ( Austria).