- Berriasellidae. The type species,
named by Bruguière, 1792, is
Acanthodiscus radiatus. The s**** of
Acanthodiscus (A. radiatus) is of
modest size,
slightly more than...
- Species: R. ryderi
Binomial name
Racekiela ryderi Potts 1882
Synonyms List
Acanthodiscus ryderii (Potts, 1882)
Anheteromeyenia ryderii (Potts, 1882) Heteromeyenia...
- of the Hauterivian) is at the
first appearance of the
ammonite genus Acanthodiscus.[citation needed] The
Valanginian is
often subdivided in
Lower and Upper...
-
vandeckii Barrême,
France Hauterivian 132.6 ± 0.6 base:
first occurrence of
Acanthodiscus Hauterive,
Switzerland Valanginian 137.05 ± 0.2 base:
first occurrence...
-
defined as the
place in the
stratigraphic column where the
ammonite genus Acanthodiscus first appears. A
reference profile for the base (a GSSP) was officially...
-
Demospongiae Order:
Spongillida Family:
Spongillidae Genus:
Racekiela B**** & Volkmer-Ribeiro, 1998
Synonyms Acanthodiscus sensu Volkmer-Ribeiro, 1996...
- 1080/00222930500307327. S2CID 84932599. Volkmer-Ribeiro,
Cecilia (1996). "
Acanthodiscus New
Genus and
Genus Anheteromeyenia Redefined (Porifera, Spongillidae)"...
- and
Oscar Werner Tiegs for a worm
previously described under the name
Acanthodiscus mirabile by
MacCallum in 1918. The worm was
parasitic on a crevalle...
-
Perisphinctoidea but
rather includes it in the
superfamily Endemoceratoidea.
Acanthodiscus Uhlig, 1905
Argentiniceras Spath, 1924
Berriasella Uhlig, 1905 Decliveites...
- Name
Novelty Status Authors Age Type
locality Location Notes Image Acanthodiscus maroc**** Sp. nov
Bryers et al.
Early Cretaceous (Hauterivian) Morocco...
