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Class: Nodosariata    Subclass: Nodosariana    Order: Vaginulinida    Family: Vaginulinidae
Astacolus nexus (Terquem and Berthelin, 1875)
     Morphological Attributes:
Wallmaterial: hyaline
Overall appearance: elongate
Coiling: spiral to serial
Chamberform: triangular to trapezoid
Aperture Position: terminal
Aperture Form: radiate, no tooth, no neck, no lip
Sutures: raised, curved, --
Ornamentation: --, --, --, keeled



identified by M. Hesemann

Jurassic
Lower Jurassic
Toarcian
North-Western France
Vendee
FEU-1012325
325
identified by M. Hesemann

Jurassic
Lower Jurassic
Pliensbachian
North-Western France
Vendee
FEU-1012326
326