Back
Gagiella
From Williams et al., 2017:
[Gagiella, Backhouse, 1988, p. 86
Type Species: Gagiella mutabilis, Backhouse, 1988 (pl.27, figs.1a–b; text-figs.23D,25G)]
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Backhouse, 1988]:
Synopsis:
Cyst quadrilobate, trilobate or ovoid; paratabulation not indicated by surface features; autophragm bearing grana or rugulae; archeopyle apical, type (tA), archeopyle suture indicating 5 or 6 precingular paraplates, paraplates 3" and 4" sometimes represented by a single paraplate.
Description:
Shape: Quadrilobate, trilobate or ovoidal, outline rounded.
Wall relationships: Autophragm only.
Paratabulation: Indicated only by archeopyle, 5 to 6 precingular paraplates including a wide 3" paraplate in the position of the 3" and 4"
paraplates, or narrow 3" and 4" paraplates with a short accessory suture between. Apical series always consists of 4 fused paraplates.
Archeopyle: Apical, type (tA), operculum free, constituent paraplates undifferentiated.
Paracingulum: Sometimes expressed by narrow groove devoid of surface features, slightly offset.
Parasulcus: Not expressed.
Size: Medium.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Notes:
G.L. Williams short notes on species, Mesozoic-Cenozoic dinocyst course, Urbino, Italy, May 17-22, 1999 - LPP VIEWER CD-ROM 99.5.
Gagiella Backhouse, 1988. Quadrilobate, trilobate or ovoid. Archeopyle apical, type (tA), archeopyle suture indicating 5 or 6 precingular plates. 3" and 4" can be one plate.
[Gagiella, Backhouse, 1988, p. 86
Type Species: Gagiella mutabilis, Backhouse, 1988 (pl.27, figs.1a–b; text-figs.23D,25G)]
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Original description: [Backhouse, 1988]:
Synopsis:
Cyst quadrilobate, trilobate or ovoid; paratabulation not indicated by surface features; autophragm bearing grana or rugulae; archeopyle apical, type (tA), archeopyle suture indicating 5 or 6 precingular paraplates, paraplates 3" and 4" sometimes represented by a single paraplate.
Description:
Shape: Quadrilobate, trilobate or ovoidal, outline rounded.
Wall relationships: Autophragm only.
Paratabulation: Indicated only by archeopyle, 5 to 6 precingular paraplates including a wide 3" paraplate in the position of the 3" and 4"
paraplates, or narrow 3" and 4" paraplates with a short accessory suture between. Apical series always consists of 4 fused paraplates.
Archeopyle: Apical, type (tA), operculum free, constituent paraplates undifferentiated.
Paracingulum: Sometimes expressed by narrow groove devoid of surface features, slightly offset.
Parasulcus: Not expressed.
Size: Medium.
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Notes:
G.L. Williams short notes on species, Mesozoic-Cenozoic dinocyst course, Urbino, Italy, May 17-22, 1999 - LPP VIEWER CD-ROM 99.5.
Gagiella Backhouse, 1988. Quadrilobate, trilobate or ovoid. Archeopyle apical, type (tA), archeopyle suture indicating 5 or 6 precingular plates. 3" and 4" can be one plate.