Calliarthron
| Calliarthron | |
|---|---|
| File:Calliarthron tuberculosum in Monterey (12229).jpg | |
| Calliarthron tuberculosum | |
| Scientific classification Edit this classification | |
| Domain: | Eukaryota |
| Clade: | Archaeplastida |
| Division: | Rhodophyta |
| Class: | Florideophyceae |
| Order: | Corallinales |
| Family: | Corallinaceae |
| Subfamily: | Corallinoideae |
| Genus: | Calliarthron Manza, 1937 |
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Calliarthron is a genus containing two species of thalloid intertidal[1] alga. Specimens can reach around 30 cm in size. The thalli take a crustose form. The organisms lack secondary pit connections. Calliarthron reproduces by means of conceptacles; it produces tetraspores, dispores and carpospores. The genus has lignin and contains secondary cell walls, traits which are normally associated with the vascular plants.[1] It is similar to the genus Bossiella.[2]
Calliarthron is calcified, but also has uncalcified joints that allow it to flex in response to the waves to which it is subjected.[1] These joints start out calcified, and decalcify as they grow older.[1] After decalcifying they grow much longer, then fatten themselves up in the same way as xylem formation, resulting in secondary walls.[1]
Species
[edit | edit source]The 2 species currently recognised are:[3]
References
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- ^ Paul W. Gabrielson, Kathy Ann Miller, and Patrick T. Martone (2011) Morphometric and molecular analyses confirm two distinct species of Calliarthron (Corallinales, Rhodophyta), a genus endemic to the northeast Pacific. Phycologia: May 2011, Vol. 50, No. 3, pp. 298-316. doi: https://dx.doi.org/10.2216/10-42.1
External links
[edit | edit source]
- Images Archived 2021-10-05 at the Wayback Machine of Calliarthron at Algaebase
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