Praeconocaryomma californiaensis Pessagno, 1976

Kochhann, Karlos G. D., Baecker-Fauth, Simone & Fauth, Gerson, 2013, Late Maastrichtian Radiolaria from ODP Leg 165 - Site 999 B, Colombian Basin, Geodiversitas 35 (1), pp. 5-20 : 14

Praeconocaryomma californiaensis Pessagno, 1976

( Fig. 5E )

Praeconocaryomma californiaensis Pessagno, 1976: 41 , pl. 7, figs 1-8; 1977: 942, pl. 3, figs 3-6. — Packer & Hart 2005: 144, fig. 7j, k. — Vishnevskaya & Alekseev 2008: 1368, fig. 2f. — Aumond et al. 2009: 201, fig. 3W.

FIGURED SPECIMEN. — ULVG-7334.

MATERIAL. — 18 specimens (recovered with the hydrogen peroxide method); five specimens (recovered with the acetic acid method). OCCURRENCE. — Coniacian of Great Valley Sequence, California ( Pessagno 1976, 1977); Coniacian-Santonian of Bornholm, Denmark ( Packer & Hart 2005); Santonian-Campanian of Kara Crater, Russia ( Vishnevskaya & Alekseev 2008); Maastrichtian of Caribbean Sea (Aumond et al. 2009).

Figures

FIG. 5. — SEM images of Radiolaria recovered from sample 999B/60/2W/70-74 cm: A, Rhopalosyringium kleinum Empson-Morin, 1981 (H2O2 method); B, Botryometra heros (Campbell & Clark, 1944) (H2O2 method); C, Cryptamphorella sp. (H2O2 method); D, Theocapsomma sp. (Empson-Morin, 1981) (CH3COOH method); E, Praeconocaryomma californiaensis Pessagno, 1976 (H2O2 method); F, Alievium? sp. (H2O2 method); G, Paronaella? sp. (H2O2 method); H, Orbiculiforma sp. 1 (H2O2 method); I, Orbiculifor- ma sp. 2 (CH3COOH method); J, Crucella sp. (H2O2 method); K, Tholodiscus sp. (H2O2 method); L, Spumellaria gen. et sp. indet. (H2O2 method). The chemical compound after each species indicates the chemical method applied in the recovery of each figured specimen. Scale bars: 100 µm.