Glossary
Like the rest of this website, the glossary is a work in progress. If we’ve missed a term, please contact us to let us know the term and references.
Carinoportula
A carinoportula is a type of central process unique to the genus Orthoseira. The plural is carinoportulae. The internal openings of carinoportulae are simple while the external openings are composed of distinct collars.
Image Credit: Marina Potapova
Image Credit: Marina Potapova
Image Credit: Marina Potapova
Image of the valve face of Orthoseira roeseana, showing three carinoportulae. The number of carinoportulae present is variable across populations.
Image Credit: Marina Potapova
SEM image of the internal expression of carinoportulae in O. roeseana.