Pitar [SEP] parent taxon
Pitar
Pitar is a genus of saltwater clams, marine bivalve molluscs in the family Veneridae, the Venus clams. The genus contains over 60 species.
Species.
- "Pitar abbreviatus"
- "Pitar aequinoctialis"
- "Pitar affinis"
- "Pitar albidus"
- "Pitar aletes "
- "Pitar alternatus"
- "Pitar arestus"
- "Pitar brevispinosus"
- "Pitar bullatus"
- "Pitar callicomatus"
- "Pitar chordatum"
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Taxon in disguise
In bacteriology, a taxon in disguise is a species, genus or higher unit of biological classification whose evolutionary history reveals has evolved from another unit of similar or lower rank, making the parent unit paraphyletic. This happens when rapid evolution makes a new species appear radically different from the ancestral group, so that it is not (initially) recognised as belonging to the parent phylogenetic group, leaving the latter an evolutionary grade.
While the term is from bacteriology, parallel examples are found throughout the tree of