GO TO START PAGE
Michael Rasser's HOME OF FOSSIL CORALLINE ALGAE:
Davide Bassi's Late Eocene Algae from the Calcare di Nago (Northern Italy)

Polystrata alba

p-alba_11-4.jpg (80957 Byte)

longitudinal section of primigenous (arrow) and postigenous (arrow-head) cell filaments
scale: 200 Ám

p-alba_11-5.jpg (75177 Byte)

SEM image, showing cell cavities of primigenous and postigenous filaments filled with cement; note primary pit-connections (arrow) occurring in the postigenous filaments
scale: 50 Ám