NB This site is under active development
Catalog entries: Desmochitininae
Original description: Diagnosis: Desmochitinidae with a smooth vesicle surface (which may be polished, felt-like, spongy, or granular); chamber lenticular, spheroidal, ovoid, cylindroid, or conoid; copula absent or present; collar differentiated or not; inter-chamber connections sometimes resistant.
Distinguishing features:
Parent taxon (Desmochitinidae): no neck
This taxon: glabrous
Geological Range:
Last occurrence (top): at top of Early Frasnian Substage (100% up, 376.3Ma, in Frasnian stage). Data source: Total of ranges of the species in this database
First occurrence (base): within Early Ordovician Epoch (471.26-486.85Ma, base in Tremadocian stage). Data source: Total of ranges of species in this database
Plot of occurrence data:
NB The ranges given for genera and higher taxa are the total ranges of species included in that taxon in this database - so the true total range of the taxon will usually be longer
Paris, F. (1981a). Les Chitinozoaires dans le Paléozoïque du Sud-Ouest de l'Europe: Cadre géologique, étude systématique, biostratigraphie. Memoires de la Societe Geologique et Mineralogique de Bretagne. 26: 1-412. gsReferences:

![]() |
Desmochitininae compiled by the Sonia Camino, viewed: 10-6-2026
Short stable page link: https://mikrotax.org/Chitinotax/index.php?id=160009 Go to Archive.is to create a permanent copy of this page - citation notes |