Entwisleia
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''Entwisleia'' is a
monotypic genus In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
in the red algae family, Entwisleiaceae. There is just one species (the type species) in this genus, ''Entwisleia bella'', from south-eastern Tasmania and represents both a new family and a new order in the
Nemaliophycidae Florideophyceae is a class of red algae. They were once thought to be the only algae to bear pit connections, but these have since been found in the filamentous stage of the Bangiaceae. They were also thought only to exhibit apical growth, but ...
. It is a marine species found in the Derwent River estuary. It grows at depths between 5.0 and 9.0 m and is found scattered on mudstone reef flats dusted or shallowly covered by sand. The site at which it was found is subject to episodic high-rainfall events throughout the year and heavy swells in winter. It is a feathery dioecious seaweed, very like the freshwater red algae, '' Batrachospermum,'' but from DNA sequencing, appears to be quite unrelated. Scott ''et al.'''s (2013) study shows it as a sister
clade A clade (), also known as a monophyletic group or natural group, is a group of organisms that are monophyletic – that is, composed of a common ancestor and all its lineal descendants – on a phylogenetic tree. Rather than the English term, ...
of the Colaconematales. The genus was named to honour Tim Entwisle, was
circumscribed In geometry, the circumscribed circle or circumcircle of a polygon is a circle that passes through all the vertices of the polygon. The center of this circle is called the circumcenter and its radius is called the circumradius. Not every polyg ...
by Fiona Jean Scott and Gerald Thompson Kraft in Eur. J. Phycol. Vol.48 (Issue 4) on page 402 in 2013.


References

{{taxonbar, from=Q30016996, from2=Q17487348, from3=Q38257271 Red algae genera Seaweeds Florideophyceae Monotypic algae genera