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Reutlingia cardobarbata
Reutlingia cardobarbata Below, 1987
Holotype: Below, 1987, pl.20, fig.7
Locus typicus: Old clay pit, Wittelshofen, Franconia, Germany; Jurensis Mergel
Stratum typicum: Toarcian
Translation Below, 1987: Fensome et al., 1993
Original description: Below, 1987, p.134-135
Arrangement of vesicles/plates on the dinoflagellate amphiesma cop, pop, cap, 5", 3a, 7""-6", 7c, 5""", 2"""", as, y, z, ps; 1"""" and 2"""" located symmetrically on either side of the dorsoventral plane; large ps omegaform; growth type of thecal plates peridinioid.
Cyst form proximate, acavate to cornucavate, elongate peridinioid, epicyst pointed coniform, larger than the transversely oval hypocyst, surface level or with intraareate portions somewhat protuberant, equatorial cross section oval, reniform; size small; wall composed of pedium and luxuria; surface smooth, scabrate, luxuria forming ornament and a smooth tectum over 1"""", ornament uniformly short, stubby, wider basally, tapering towards an evexate or capped tip or widening again distally, capitate, bifid to polyfid or cauliflorate, solid or with a fine central canal, peniareate ornament arranged in rows, intraareate regions covered completely or only sparsely, broad limbi, cingulum, sulcus, 1", and 1"""" without spines; areation XPR/ cop, pop, cap, NR1", 2", 3", 4", 5", 3a, 6"-7"", Xc, 5""", 2"""", Xs; cop very small, circular, shaped like a peg or a ring, horseshoe-shaped pop and small rhombic cap between 1"/5" and pop; 4 apicals reflected, large VI 2" (VL), deltaform inverse-camerate 3" (DL), deltaform inverse-camerate 4" (DR), large VIII 5" (VR); 3 anterior intercalaries, linteloid la (LDL), VI or VII 2a (D), inversecamerate 3a (DR); 7 precingulars, anteriorly geniculate V-nE 1" (VVL), anteriorly geniculate V-nE 2" (LVL), anteriorly linear IV-nE 3" (LDL), anteriorly geniculate V-nE 4" (DDL) or anteriorly linear IV-nE 4" with a heptagonal 2a, anteriorly geniculate V-nE 5" (DDR) with dorsal finis 4"/5", anteriorly geniculate V-nE 6" (R), anteriorly linear IV-nE 7" (VVR) only seldom connected with 1"; or anteriorly geniculate V-nE 1", anteriorly geniculate V-nE 2n, anteriorly geniculate V-nE 3", anteriorly geniculate VnE 4", anteriorly geniculate V-nE 5", anteriorly linear IV-nE 6"; cingulum nonareate, helicoid, laevorotatory; 5 postcingulars, V-nE 1"" (VVL), posteriorly linear IV-nE 2"n (L), posteriorly geniculate V-nE 3""" (DDL), posteriorly linear IV-nE 4""" (DR), finis 3"""/4""" dorsal, posteriorly linear IV-nE 5""" (VR); large V 1"""" with tectum (L) and large V 2"""" (R) on either side of the antapex; sulcus nonareate; archeopyle anterior intercalary, 2a; operculum monoareate, adnate to the precingulars, opercular formula 2a[a].
Size: Holotype: length 35 µm, breadth 21 µm, thickness 16 µm.
Holotype: Below, 1987, pl.20, fig.7
Locus typicus: Old clay pit, Wittelshofen, Franconia, Germany; Jurensis Mergel
Stratum typicum: Toarcian
Translation Below, 1987: Fensome et al., 1993
Original description: Below, 1987, p.134-135
Arrangement of vesicles/plates on the dinoflagellate amphiesma cop, pop, cap, 5", 3a, 7""-6", 7c, 5""", 2"""", as, y, z, ps; 1"""" and 2"""" located symmetrically on either side of the dorsoventral plane; large ps omegaform; growth type of thecal plates peridinioid.
Cyst form proximate, acavate to cornucavate, elongate peridinioid, epicyst pointed coniform, larger than the transversely oval hypocyst, surface level or with intraareate portions somewhat protuberant, equatorial cross section oval, reniform; size small; wall composed of pedium and luxuria; surface smooth, scabrate, luxuria forming ornament and a smooth tectum over 1"""", ornament uniformly short, stubby, wider basally, tapering towards an evexate or capped tip or widening again distally, capitate, bifid to polyfid or cauliflorate, solid or with a fine central canal, peniareate ornament arranged in rows, intraareate regions covered completely or only sparsely, broad limbi, cingulum, sulcus, 1", and 1"""" without spines; areation XPR/ cop, pop, cap, NR1", 2", 3", 4", 5", 3a, 6"-7"", Xc, 5""", 2"""", Xs; cop very small, circular, shaped like a peg or a ring, horseshoe-shaped pop and small rhombic cap between 1"/5" and pop; 4 apicals reflected, large VI 2" (VL), deltaform inverse-camerate 3" (DL), deltaform inverse-camerate 4" (DR), large VIII 5" (VR); 3 anterior intercalaries, linteloid la (LDL), VI or VII 2a (D), inversecamerate 3a (DR); 7 precingulars, anteriorly geniculate V-nE 1" (VVL), anteriorly geniculate V-nE 2" (LVL), anteriorly linear IV-nE 3" (LDL), anteriorly geniculate V-nE 4" (DDL) or anteriorly linear IV-nE 4" with a heptagonal 2a, anteriorly geniculate V-nE 5" (DDR) with dorsal finis 4"/5", anteriorly geniculate V-nE 6" (R), anteriorly linear IV-nE 7" (VVR) only seldom connected with 1"; or anteriorly geniculate V-nE 1", anteriorly geniculate V-nE 2n, anteriorly geniculate V-nE 3", anteriorly geniculate VnE 4", anteriorly geniculate V-nE 5", anteriorly linear IV-nE 6"; cingulum nonareate, helicoid, laevorotatory; 5 postcingulars, V-nE 1"" (VVL), posteriorly linear IV-nE 2"n (L), posteriorly geniculate V-nE 3""" (DDL), posteriorly linear IV-nE 4""" (DR), finis 3"""/4""" dorsal, posteriorly linear IV-nE 5""" (VR); large V 1"""" with tectum (L) and large V 2"""" (R) on either side of the antapex; sulcus nonareate; archeopyle anterior intercalary, 2a; operculum monoareate, adnate to the precingulars, opercular formula 2a[a].
Size: Holotype: length 35 µm, breadth 21 µm, thickness 16 µm.