{"refrec":{"BRefID":363067,"RR":"<b>Peña, V.; Le Gall, L.; Rösler, A.; Payri, C.E.; Braga, J.C.</b> (2019). <i>Adeylithon bosencei</i> gen. et sp. nov. (Corallinales, Rhodophyta): a new reef-building genus with anatomical affinities with the fossil <i>Aethesolithon</i>. <i>J. Phycol. 55(1)</i>: 134-145. <a href=\"https://dx.doi.org/10.1111/jpy.12799\" target=\"_blank\">https://dx.doi.org/10.1111/jpy.12799</a>","BEntID":360785,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>J. Phycol. 55(1)</i>: 134-145. <a href=\"https://dx.doi.org/10.1111/jpy.12799\" target=\"_blank\">https://dx.doi.org/10.1111/jpy.12799</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Peña, V.; Le Gall, L.; Rösler, A.; Payri, C.E.; Braga, J.C.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Peña, V. <i>et al.</i>","Englishabstract":"<i>Adeylithon</i> gen. nov. with one species, <i>A.&nbsp;bosencei</i> sp. nov., belonging to the subfamily Hydrolithoideae is described from Pacific coral reefs based on <i>psb</i>A sequences and morpho-anatomy. In contrast with <i>Hydrolithon</i>,<i> A.&nbsp;bosencei</i> showed layers of large polygonal “cells,” which resulted from extensive lateral fusions of perithallial cells, interspersed among layers of vegetative cells. This anatomical feature is shared with the fossil <i>Aethesolithon</i>, but lacking DNA sequences from the fossils and the fragmentary nature of <i>Aethesolithon</i> type material, we&nbsp;cannot ascertain if <i>Adeylithon</i> and <i>Aethesolithon</i> are&nbsp;congeneric. Morpho-anatomical features of <i>A.&nbsp;bosencei</i> were generally congruent with diagnostic features of the subfamily Hydrolithoideae: (i) outline of cell filaments entirely lost in large portions due to pervasive and extensive cell fusions, (ii) trichocytes not arranged in tightly packed horizontal fields, (iii) basal layer without palisade cells, and (iv) cells lining the canal pore oriented more or less perpendicular to roof surface and not protruding into the canal. However, it showed a predominant monomerous thallus organization and trichocytes were disposed in large pustulate, horizontal fields, although they were not tightly packed and did not become distinctly buried in the thallus. Only mature tetrasporangial conceptacles were observed, therefore the type of conceptacle roof formation remained undetermined. <i>Adeylithon bosencei</i> occurs on shallow coral reefs, in Australia, Papua New Guinea, and South Pacific islands (Fiji, Vanuatu). Fossil <i>Aethesolithon</i> is considered an important component of shallow coral reefs since the Miocene; fossil records showed a broad Indo-Pacific distribution, but a long-term process of range contraction in the last 2.6 million years, resulting in an overlap with the distribution of the extant <i>Adeylithon</i>. While the congeneric nature of extant and fossil taxa remained uncertain, similarities in morpho-anatomy, habitat, and distribution may indicate that both taxa likely shared a common ancestor.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"<i>Adeylithon bosencei</i> gen. et sp. nov. 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