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Paranetrelytron
From Williams et al., 2017:
[Paranetrelytron, Sarjeant, 1966c, p. 201
Type species: Paranetrelytron strongylum, Sarjeant, 1966c (pl.21, fig.5; pl.23, fig.5)]
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Original description: [Sarjeant, 1966]:
Diagnosis:
Cavate dinoflagellate cyst, enclosing body sphaeroidal to ovoidal with apical horn; inner body sphaeroidal. Shell lacking tabulation, with or without traces of cingulum. Shell enclosed in cloak of adherent matter, formless to oval in outline; fragments of mineral matter and other sedimentary debris sometimes embedded in cloak. Archaeopyle formation not known.
[Paranetrelytron, Sarjeant, 1966c, p. 201
Type species: Paranetrelytron strongylum, Sarjeant, 1966c (pl.21, fig.5; pl.23, fig.5)]
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Original description: [Sarjeant, 1966]:
Diagnosis:
Cavate dinoflagellate cyst, enclosing body sphaeroidal to ovoidal with apical horn; inner body sphaeroidal. Shell lacking tabulation, with or without traces of cingulum. Shell enclosed in cloak of adherent matter, formless to oval in outline; fragments of mineral matter and other sedimentary debris sometimes embedded in cloak. Archaeopyle formation not known.