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Valvaeodinium weitschatii
From Fensome et al., 2019:
Valvaeodinium weitschatii Below, 1987b, p.81, pl.22, figs.7–11.
Holotype: Below, 1987b, pl.22, figs.7–11; Fensome et al., 1993a, figs.1–5 — p.1385.
Locus typicus: Eastern slope of Knerten Hill, near DeGeerdalen, Spitsbergen
Stratum typicum: Toarcian
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Translation Below, 1987: Fensome et al., 1993, p.1386
Original description: Below, 1987, p.81
Arrangement of vesicles/plates on the dinoflagellate amphiesma PR, 4", 1a, 5"", 6c, 5""", 1"""", ns, growth of plates peridinioid.
Cyst form proximate, acavate, spheroidal; size small; wall composed of firm pedium and luxuria, luxuria lanate, shagreenate, fine-grained, and forming numerous setules, which are uniformly short, evexate, but mostly cauliflorate, terminally capitate or bifid, thin, solid, and basally also branched like mangroves; the setules are distributed diffusely over the cyst or grouped in intraareate clusters; nonareate or areate as marked by limbi free from ornament; areation formula NR PR/PR, NR"/4", NRa/1a, NR"/5", NRc/Xc, NR"""/5""", NR""""/1"""", NRs/Xs; apex undifferentiated or PR a minute planate field; 4 apicals, steno omegaform-linteloid 1" (V), inverse-camerate 2" (LVL), VI 3" (DL), VI 4" (RVR); caroidal 1a (DR); 5 anteriorly geniculate precingulars, V-nE 1" (WL), V-nE 2" (LDL), V-nE 3" (D), V-nE 4" (RDR), VnE 5" (VR); cingulum equatorial, weakly helicoid laevorotatory, not indented, lati 1c-5c, iso 6c; 5 posteriorly linear postcingulars, IV-nE 1""" (VL), IV-nE 2""" (LDL), IV-nE 3""" (D), IV-nE 4""" (RDR), IV-nE 5""" (VR) and polar VI 1""""; sulcus nonpartite with steno quasi-trapezoidal as and narrow, steno inverse-trapezoidal posterior sector; archeopyle apical/anterior intercalary, 3" + 1a; operculum solvate, secate, general opercular formula 3"[s] + 1a[s].
Size: Holotype: length 40 Ám, breadth 38 Ám, thickness 38 Ám.
Valvaeodinium weitschatii Below, 1987b, p.81, pl.22, figs.7–11.
Holotype: Below, 1987b, pl.22, figs.7–11; Fensome et al., 1993a, figs.1–5 — p.1385.
Locus typicus: Eastern slope of Knerten Hill, near DeGeerdalen, Spitsbergen
Stratum typicum: Toarcian
---------------------------------------------------------------------------------------------------
Translation Below, 1987: Fensome et al., 1993, p.1386
Original description: Below, 1987, p.81
Arrangement of vesicles/plates on the dinoflagellate amphiesma PR, 4", 1a, 5"", 6c, 5""", 1"""", ns, growth of plates peridinioid.
Cyst form proximate, acavate, spheroidal; size small; wall composed of firm pedium and luxuria, luxuria lanate, shagreenate, fine-grained, and forming numerous setules, which are uniformly short, evexate, but mostly cauliflorate, terminally capitate or bifid, thin, solid, and basally also branched like mangroves; the setules are distributed diffusely over the cyst or grouped in intraareate clusters; nonareate or areate as marked by limbi free from ornament; areation formula NR PR/PR, NR"/4", NRa/1a, NR"/5", NRc/Xc, NR"""/5""", NR""""/1"""", NRs/Xs; apex undifferentiated or PR a minute planate field; 4 apicals, steno omegaform-linteloid 1" (V), inverse-camerate 2" (LVL), VI 3" (DL), VI 4" (RVR); caroidal 1a (DR); 5 anteriorly geniculate precingulars, V-nE 1" (WL), V-nE 2" (LDL), V-nE 3" (D), V-nE 4" (RDR), VnE 5" (VR); cingulum equatorial, weakly helicoid laevorotatory, not indented, lati 1c-5c, iso 6c; 5 posteriorly linear postcingulars, IV-nE 1""" (VL), IV-nE 2""" (LDL), IV-nE 3""" (D), IV-nE 4""" (RDR), IV-nE 5""" (VR) and polar VI 1""""; sulcus nonpartite with steno quasi-trapezoidal as and narrow, steno inverse-trapezoidal posterior sector; archeopyle apical/anterior intercalary, 3" + 1a; operculum solvate, secate, general opercular formula 3"[s] + 1a[s].
Size: Holotype: length 40 Ám, breadth 38 Ám, thickness 38 Ám.