Home|Search|Identify|Taxonomic tree|Quiz|About this site|Feedback
Developed by ETI BioInformatics
Characteristics, distribution and ecology
Taxonomische classification
Synonyms and common names
Literature references
Images, audio and video
Links to other Web sites

Haecker

Diagnosis: Large, thick-walled spherical (rarely ellipsoidal) shell, with small (about 2-3 times bar width) circular or subcircular to subpolygonal pores, often partially framed, wide bars. Circular mouth, with thick rim, elevated as a collar- or crater-like structure. Short (2/3 shell diameter) main-spines. Numerous short (2 times pore diameter) by-spines.

Diameter: 0.9-1.3 mm.

Castanea amphora