- Berriasellidae. The type species,
named by Bruguière, 1792, is
Acanthodiscus radiatus. The s**** of
Acanthodiscus (A. radiatus) is of
modest size,
slightly more than...
-
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...
-
vandeckii Barrême,
France Hauterivian 132.6 ± 0.6 base:
first occurrence of
Acanthodiscus Hauterive,
Switzerland Valanginian 137.05 ± 0.2 base:
first occurrence...
- of the Hauterivian) is at the
first appearance of the
ammonite genus Acanthodiscus.[citation needed] The
Valanginian is
often subdivided in
Lower and Upper...
- Species: R. ryderi
Binomial name
Racekiela ryderi Potts 1882
Synonyms List
Acanthodiscus ryderii (Potts, 1882)
Anheteromeyenia ryderii (Potts, 1882) Heteromeyenia...
- 1080/00222930500307327. S2CID 84932599. Volkmer-Ribeiro,
Cecilia (1996). "
Acanthodiscus New
Genus and
Genus Anheteromeyenia Redefined (Porifera, Spongillidae)"...
- Charce, Drôme,
France Biologic:
First appearance of the
Ammonite genus Acanthodiscus. 44°28′10″N 5°26′37″E / 44.4694°N 5.4437°E / 44.4694; 5.4437 Valanginian...
- 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...
- Name
Novelty Status Authors Age Type
locality Location Notes Image Acanthodiscus maroc**** Sp. nov
Bryers et al.
Early Cretaceous (Hauterivian) Morocco...
-
tentative report †Yokoyamaella
oregonensis – type
locality for
species †
Acanthodiscus †Actinoceramus †Anahamulina †Anatropites †Arcestes †Arietoceltites Astarte...
