Microdactylites

<i>Microdactylites</i>

Microdactylites

Genus of molluscs (fossil)

Microdactylites, which is sometimes considered to be a synonym of Dactylioceras,[2] is genus of ammonite that lived during early to middle Toarcian stage (Serpentinum to lower Bifrons ammonite Zones) of early Jurassic. Their fossils were found in England, France, Italy, Germany and Hungary. Species belonging to this genus were microconchs of Dactylioceras.[1]

Quick Facts Scientific classification, Type species ...

Description

Ammonites belonging to Microdactylites have small shells with evolute, compressed coiling. Flanks are slightly convex to convex and whorl section is suboval to subcircular. Ribbing is dense, while ribs can be both simple or bifurcating.[1]

Microdactylites tardosensis Kovács, 2014. Tardos (Gerecse Mts, Hungary), Bánya Hill Section A, Middle Toarcian, Bifrons Zone, lowermost Sublevisoni Subzone

References

  1. [1]
    Kovács, Z. (2014). Toarcian Dactylioceratidae (Ammonitina) from the Gerecse Mts (Hungary). Hantkeniana, 9, 45-77.
  2. [2]
    M. K. Howarth 2013. Treatise on Invertebrate Paleontology, Part L, Revised, Volume 3B, Chapter 4: Psiloceratoidea, Eoderoceratoidea, Hildoceratoidea.


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