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Hystrichosphaeridium toryna
Hystrichosphaeridium torynum Cookson and Eisenack 1960
Now Egmontodinium. Originally Hystrichosphaeridium, subsequently Prolixosphaeridium?, thirdly Tanyosphaeridium, fourthly (and now) Egmontodinium.
Holotype: Cookson and Eisenack, 1960, pl. 38, fig. 15
Locus typicus: Broome Nr. 1 Bore, NW Western Australia
Stratum typcium: Tithonian-Neocomian
Original description: Cookson and Eisenack, 1960, p. 252
Shell cylindrical with rounded ends and numerous short and apparently solid appendages of variable shape and size which are arranged in more or less well-defined whorls around the circumference. The appendages are either narrow and simple with capitate ends or flattened and terminally branched. The opening of the shell appears to have been terminal (Pl. 38, fig. 6).
Dimensions: holotype-shell 68 Ám long, 33 Ám broad; overall 81-56 Ám. Appendages c. 10 Ám long. Range of shell 64-78 Ám x 32-38 Ám.
Now Egmontodinium. Originally Hystrichosphaeridium, subsequently Prolixosphaeridium?, thirdly Tanyosphaeridium, fourthly (and now) Egmontodinium.
Holotype: Cookson and Eisenack, 1960, pl. 38, fig. 15
Locus typicus: Broome Nr. 1 Bore, NW Western Australia
Stratum typcium: Tithonian-Neocomian
Original description: Cookson and Eisenack, 1960, p. 252
Shell cylindrical with rounded ends and numerous short and apparently solid appendages of variable shape and size which are arranged in more or less well-defined whorls around the circumference. The appendages are either narrow and simple with capitate ends or flattened and terminally branched. The opening of the shell appears to have been terminal (Pl. 38, fig. 6).
Dimensions: holotype-shell 68 Ám long, 33 Ám broad; overall 81-56 Ám. Appendages c. 10 Ám long. Range of shell 64-78 Ám x 32-38 Ám.