Sullivan, M.,
Ashworth, M.,
Lobban, C.,
Frankovich, T.
(2024).
Lyrella.
In Diatoms of North America.
Retrieved November 21, 2024, from https://diatoms.org/genera/lyrella
Symmetric Biraphid
Lyrella
Sternum lyre-shaped
Areolae coarse, punctate
Plastids deeply incised
This taxon is found in sandy sediments of temperate to tropical marine waters.
Cells are solitary, rectangular in girdle view, isovalvar, and heavily silicified.
The valve outline is broadly linear-lanceolate to linear-elliptic, with either obtusely rounded or broadly rostrate apices. A flat to undulate valve face gently curves into a...