A revision of the Jurassic stromatoporoids Actinostromina, Astrostylopsis, and Trupetostromaria Germovšek
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Seven species of stromatoporoids described by Germovšek in 1954 from the Tithonian of Jugoslavia are redescribed and allocated to his genera Actinostromina and Astrostylopsis and placed in the family Actinostromariidae and the superfamily Actinostromariicae nov. The genus Trupetostromaria Germovsek is considered to be a junior synonym of Astrostylopsis. Structural changes illustrated are the development of tubular coenotubes and cellular sclerenchyme, the reduction of the transverse lamellae, and the replacement of normal astrosystems by individual axial astrotubes with the omission, or considerable reduction, of transverse astrotubes, coenosteal structure thus becoming generally tubular.
Palaeontology - Volume 2 Part 1 Pages 28-38Palaeontology - Volume 2 Part 1 Pages 28-38
Citations
HUDSON, R. G. S. 1959. A revision of the Jurassic stromatoporoids Actinostromina, Astrostylopsis, and Trupetostromaria Germovšek. Palaeontology, 2, 1, 28–38.