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Dapcodinium sacculus
Dapcodinium sacculus Below, 1987
Holotype: Below, 1987, pl.25, fig.8-9,15
Locus typicus: Sch÷mberg, W³rttemberg, Germany
Stratum typicum: Early Pliensbachian
Translation Below, 1987:
Original description: Below, 1987, p. 150
Arrangement of vesicles/plates on the dinoflagellate amphiesma PR, 5", 6a, 7"", 8c, 7""", 3"""", as, y, z, ps.
Cystic habit proximate, acavate, ellipsoidal, ovaloidal, equatorial cross section circular or slightly compressed dorsoventrally; size small; wall composed of thin pedium, luxuria vermiculate to granular, forming long, thin, tangled and densely interwoven filaments which are appressed to the surface, nonareate; areation formula NR PR/PR (arch), NR1", 2"(arch), 3"(arch), 4"(arch), NR5, 1a(arch), 2a(arch), 3a(arch), 4a(arch), NR5a, NR6a, NR"", NRc/Xc, NR""", NR"""", NRs/XS; cingulum and hypocytal sulcus recognizable at shallow indentations; archaeopyle complex, apical and antorior intercalary, PR + 2" + 3" + 4"+ 1a + 2a + 3a + $a; operculum solvate, secate, general opercular formula Pr(s) + 2"(s) + 3"(s) + 4"(s) + 1a(s) + 2a(s) + 3a(s) + 4a(s).
Dimensions of holotype: Length (without apical calotts) 35 Ám, breadth 32 Ám, thickness 32 Ám.
Holotype: Below, 1987, pl.25, fig.8-9,15
Locus typicus: Sch÷mberg, W³rttemberg, Germany
Stratum typicum: Early Pliensbachian
Translation Below, 1987:
Original description: Below, 1987, p. 150
Arrangement of vesicles/plates on the dinoflagellate amphiesma PR, 5", 6a, 7"", 8c, 7""", 3"""", as, y, z, ps.
Cystic habit proximate, acavate, ellipsoidal, ovaloidal, equatorial cross section circular or slightly compressed dorsoventrally; size small; wall composed of thin pedium, luxuria vermiculate to granular, forming long, thin, tangled and densely interwoven filaments which are appressed to the surface, nonareate; areation formula NR PR/PR (arch), NR1", 2"(arch), 3"(arch), 4"(arch), NR5, 1a(arch), 2a(arch), 3a(arch), 4a(arch), NR5a, NR6a, NR"", NRc/Xc, NR""", NR"""", NRs/XS; cingulum and hypocytal sulcus recognizable at shallow indentations; archaeopyle complex, apical and antorior intercalary, PR + 2" + 3" + 4"+ 1a + 2a + 3a + $a; operculum solvate, secate, general opercular formula Pr(s) + 2"(s) + 3"(s) + 4"(s) + 1a(s) + 2a(s) + 3a(s) + 4a(s).
Dimensions of holotype: Length (without apical calotts) 35 Ám, breadth 32 Ám, thickness 32 Ám.