Dicranidae

Comb - tooth gap Moos ( Fissidens cristatus)

The Dicranidae are a subclass of the mosses ( Bryophyta ).

Features

The protonema of Dicranidae is usually short-lived. The moss plants are of very small to large. The lamina cells are mostly parenchymatous. The ribs are of type Dicranum or Pottia. The cells are either in Hyalocyten and Chlorocyten divided ( leucobryoid ) or light unit. The peristome is from Dicranum type ( haplolepid ), with 16 whole or frequently divided Peristomzellen.

The most common chromosome numbers n = 12 to 14

System

The Dicranidae are a morphologically and ecologically diverse group. In the illustrated extent they are a monophyletic group. The relationships between the various groups is still unclear insufficient.

The belonging to the subclass orders and families are:

• Order Catoscopiales Family Catoscopiaceae

• Family Scouleriaceae

• Family Bryophixiaceae

• Family Grimmiaceae
• Family Ptychomitriaceae
• Family Seligeriaceae

• Family Archidiaceae

• Family Mitteniaceae

• Family Amphidiaceae
• Family Aongstroemiaceae
• Family Bruchiaceae
• Family Calymperaceae
• Family Dicranaceae
• Family Dicranellaceae
• Family Ditrichaceae
• Family Erpodiaceae
• Family Eustichiaceae
• Family Fissidentaceae
• Family Leucobryaceae
• Family Oncophoraceae
• Family Rhachistheciaceae
• Family Schistostegaceae
• Family Viridivelleraceae
• Family Wardiaceae

• Family Ephemeraceae
• Family Hypodontiaceae
• Family Pleurophascaceae
• Family Pottiaceae
• Family Serpotortellaceae