The genus Rosenvingea (Phaeophyceae: Scytosiphonaceae) in south-west Australia, with the description of Rosenvingea australis sp. nov.

2018 ◽  
Vol 61 (4) ◽  
pp. 373-382
Author(s):  
John M. Huisman ◽  
Ga Hun Boo ◽  
Sung Min Boo

AbstractTwo species of the brown algal genusRosenvingeaare reported from south-west (SW) Australia, including the widely distributedR. orientalisand the new speciesR. australisHuisman, G.H. BooetS.M. Boo, sp. nov. Molecular phylogenies of mitochondrialcox3 and plastidpsaA unequivocally align the SW AustralianR. orientaliswith specimens from Vietnam and the species is morphologically consistent throughout its Australian range. Australian specimens of the new speciesR. australisjoin with a specimen from New Caledonia and these resolve as a sister species toR. intricata, with levels of pairwise divergence (4.2–4.9% incox3 and 3.9–4.0% inpsaA) comparable to those between other scytosiphonacean species. The new species can be distinguished morphologically by its branch dimensions and the arrangement and size of plurangia, but further studies including molecular analyses of a full range of species and possible morphological variants are needed.

Phytotaxa ◽  
2020 ◽  
Vol 428 (1) ◽  
pp. 67-72
Author(s):  
YAN-QIONG CHEN ◽  
YA-TING ZHU ◽  
HUI ZHONG ◽  
ZE-XIN LI ◽  
ZHONG-JIAN LIU ◽  
...  

A new orchid, Calanthe tsiana, is described from southeastern Yunnan, China, based on morphological and DNA evidence. In morphological comparisons, C. tsiana is similar to C. arisanensis, but it differs in having subspatulate petals and falcate-obovate lateral lobes of lip with one ridge on the disk. The phylogenetic analyses based on nuclear ribosomal ITS and plastid DNA (rbcL, matK and trnL-trnF) place C. tsiana with C. arisanensis as sister species and support C. tsiana as a new species.


1983 ◽  
Vol 31 (6) ◽  
pp. 943 ◽  
Author(s):  
MB Malipatil ◽  
GB Monteith

Austrovelia, gen. nov. (type-species A. queenslandica, sp. nov., from North Queensland), A. caledonica, sp. nov. (from New Caledonia), and Phrynovelia caledonica, sp. nov., and P. bimaculata, sp. nov. (both from New Caledonia) are described and compared with related known genera and species. Altitudinal distribution of A, queenslandica and biogeographic affinities between New Caledonia and the Mount Sorrow tableland in North Queensland are discussed, and a generalized distribution of terrestrial Mesoveliidae in the south-west Pacific is given.


Zootaxa ◽  
2021 ◽  
Vol 4950 (3) ◽  
pp. 528-546
Author(s):  
SHAO-BING HOU ◽  
KAI WANG ◽  
PENG GUO ◽  
JIN-MIN CHEN ◽  
ZHI-YONG YUAN ◽  
...  

Combining the results from morphological and molecular analyses, we explore the taxonomy of the genus Achalinus from Southwest China. As a result, we describe two new species, A. panzhihuaensis sp. nov. and A. yangdatongi sp. nov. from southern Sichuan and southern Yunnan provinces, respectively, and we record a new country record, A. emilyae, from Guangxi Zhuang A. R.. The mitochondrial genealogy suggests that A. panzhihuaensis sp. nov. is sister to A. meiguensis, while A. yangdatongi sp. nov. clusters with the sister species A. juliani and A. ater. Both new species show considerable genetic divergence from their recognized congeners (uncorrected p-distance > 6.2 % in COI gene). Furthermore, both new species can be diagnosed from closely related congeners by a combination of pholidosis characters. With our discovery, we provide a revised key to the 13 species from China and discuss some of the remaining issues regarding the taxonomy of the genus in China. 


Telopea ◽  
2021 ◽  
Vol 24 ◽  
pp. 61-169
Author(s):  
Russell Barrett ◽  

The Tricostularia Nees ex Lehm. group of genera is reviewed and formally recognised as Cyperaceae tribe Schoeneae subtribe Tricostulariinae R.L.Barrett, K.L.Wilson & J.J.Bruhl. Molecular data from plastid rbcL and trnL–F and nuclear ITS and ETS regions are combined with a novel assessment of morphological characters to support our new classification. Six genera are included: a new genus, Ammothryon R.L.Barrett, K.L.Wilson & J.J.Bruhl, and the named genera Chaetospora R.Br., Morelotia Gaudich., Tetraria P.Beauv., Tricostularia, and Xyroschoenus Larridon. Ammothryon, Chaetospora and Tricostularia are all endemic to southern Australia. Morelotia has one species each in Hawaii, French Polynesia and New Zealand, and three species in southwest Western Australia. Tetraria has a disjunct distribution in Southern Africa, Borneo, New Guinea and New Caledonia. Xyroschoenus is endemic to the Seychelles. Tetrariopsis C.B.Clarke (based on Tetrariopsis octandra (Nees) C.B.Clarke) is included under an expanded concept of Morelotia, which also includes Tetraria australiensis C.B.Clarke and Tetraria microcarpa S.T.Blake from south-west Western Australia. Tricostularia bennettiana R.L.Barrett & K.L.Wilson, Tricostularia davisii R.L.Barrett & K.L.Wilson, Tricostularia lepschii R.L.Barrett & K.L.Wilson, Tricostularia newbeyi R.L.Barrett & K.L.Wilson, and Tricostularia sandifordiana R.L.Barrett & K.L.Wilson are described as new species from south-west Western Australia. The following new combinations are made: Ammothryon grandiflorum (Nees ex Lehm.) R.L.Barrett, K.L.Wilson & J.J.Bruhl, Morelotia australiensis (C.B.Clarke) R.L.Barrett & K.L.Wilson, Morelotia microcarpa (S.T.Blake) R.L.Barrett & K.L.Wilson, Morelotia octandra (Nees) R.L.Barrett & J.J.Bruhl and Tricostularia drummondii (Steud.) R.L.Barrett & K.L.Wilson. Tricostularia drummondii is reinstated from synonymy (formerly Discopodium drummondii Steud.), having previously been confused with T. exsul (C.B.Clarke) K.L.Wilson & R.L.Barrett. Lectotypes are selected for Chaetospora flexuosa var. gracilis Boeckeler, Discopodium drummondii Steud., Elynanthus grandiflorus Nees ex Lehm., Lampocarya affinis Brongn., Lepidosperma exsul C.B.Clarke, Morelotia gahniiformis Gaudich. var. minor A.Rich., Tetraria australiensis C.B.Clarke, Tetraria capillacea var. intercedens Kük., Tricostularia compressa Nees ex Lehm. and Tricostularia neesii Lehm.


1993 ◽  
Vol 7 (5) ◽  
pp. 1221 ◽  
Author(s):  
JNA Hooper ◽  
C Levi

Twenty species of shallow-water poecilosclerid demosponges are described from the lagoon and reefs of New Caledonia, including thirteen new species and six new locality records, belonging to five families and eight genera {Myxillidae (1, Acarnus), Desmacellidae (1, Neofibularia), Crellidae (1, Crella), Microcionidae 113, Clathria (Clathriopsamma), C. (Clathria), C. (Thalysias), Echinochalina (Echinochalina), E. (Protophlitaspongia)] and Raspailiidae [4 species, Raspailia (Raspailia), Ceratopsion, Aulospongus]}. The shallow-water fauna contained a mixture of endemic species (65%) and those with affinities to both northern and southern Australia, in contrast to the deeper-water fauna which was previously found to have high endemism (70%) and ancestral affinities to northern New Zealand. The non-endemic shallow-water fauna represents the easternmost extent of species' distributions in the Indo-west Pacific, and the endemic component was also usually immediately recognisable as (transformed) sister-species from Australian tropical and temperate provinces.


Zootaxa ◽  
2017 ◽  
Vol 4300 (4) ◽  
pp. 536
Author(s):  
LAURI KAILA

The first records of Elachistinae (Lepidoptera, Elachistidae) are reported from New Caledonia. Eight species are recognized. Elachista cynopa Meyrick is reported outside Australia for the first time. All other species are described as new: Elachista concubia sp. nov., E. achlyodes sp. nov., E. scoteina sp. nov., E. cardiaca sp. nov., E. dilobates sp. nov., E. vespertina sp. nov. and E. fugax sp. nov. All the new species have sister-species level relatives in Australia. E. fugax is attributed to Elachista sg. Elachista. All other species are placed in Elachista sg. Atachia. Following Kaila’s (2011) system E. achlyodes and E. concubia belong to the E. catarata section of the E. gerasmia group; E. cardiaca, E. dilobates, E. scoteina and E. vespertina belong to the E. gerasmia section of E. gerasmia group. Further, E. cardiaca is a member of the E. paragauda species complex, E. scoteina a member of the E. gerasmia species complex, and E. dilobates, E. vespertina of the E. cynopa species complex; E. dilobates is morphologically close to E. toryna Kaila. This pattern suggests at least six separate dispersal events between Australia and New Caledonia. 


Zootaxa ◽  
2007 ◽  
Vol 1400 (1) ◽  
pp. 45
Author(s):  
CHRISTER ERSÉUS ◽  
ULRIKA BERGFELDT

Six species of the gutless marine tubificid genus Olavius Erséus, 1984 (Phallodrilinae), O. paraloisae sp. nov., O. amplectens sp. nov., O. isomerus sp. nov., O. fidelis sp. nov., O.lifouensis sp. nov., and O. nivalis sp. nov., are described from shallow-water sediments in New Caledonia (including the Loyalty Islands), in the South West Pacific Ocean. Olavius amplectus is similar (but not necessarily closely related) to a North West Atlantic species. The others appear closely related to previously described taxa in the Indo-West Pacific region, but they differ in the number of secondary body annuli, the number, shape and arrangement of chaetae, or in details of the male genitalia and/or spermathecae. Moreover, fixed (contracted) specimens of O. nivalis measured up to 34 mm length, which makes it one of the largest species of gutless Phallodrilinae known to date.


Zootaxa ◽  
2007 ◽  
Vol 1400 (1) ◽  
pp. 45-58
Author(s):  
CHRISTER ERSÉUS ◽  
ULRIKA BERGFELDT

Six species of the gutless marine tubificid genus Olavius Erséus, 1984 (Phallodrilinae), O. paraloisae sp. nov., O. amplectens sp. nov., O. isomerus sp. nov., O. fidelis sp. nov., O.lifouensis sp. nov., and O. nivalis sp. nov., are described from shallow-water sediments in New Caledonia (including the Loyalty Islands), in the South West Pacific Ocean. Olavius amplectus is similar (but not necessarily closely related) to a North West Atlantic species. The others appear closely related to previously described taxa in the Indo-West Pacific region, but they differ in the number of secondary body annuli, the number, shape and arrangement of chaetae, or in details of the male genitalia and/or spermathecae. Moreover, fixed (contracted) specimens of O. nivalis measured up to 34 mm length, which makes it one of the largest species of gutless Phallodrilinae known to date.


2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Pushpendu Kundu ◽  
Felix Bast

Abstract We used three molecular markers (COI-5P, rbcL and UPA) to investigate the diversity of Hypnea spp., an economically important red algal genus, collected from India. Our concatenated tree (COI-5P and rbcL) supported the monophyly of two new species, Hypnea indica sp. nov. and Hypnea bullata sp. nov. H. indica diverged from its closest two sister species, Hypnea cervicornis and Hypnea tenuis (by 15.9 and 11.2%, respectively, in COI-5P; and 3.4 and 3.2% in rbcL). We describe H. indica as a new species characterised by an erect, percurrent main axis with spine-like branchlets in acute angles, straight and forked apices, axial cells surrounded by large periaxial cells or two cells similar in size to the axial cell, and the presence of lenticular thickening in the cross-section of the thallus. H. bullata diverged from its closest sister species, Hypnea brasiliensis (by 10.9% in COI-5P and 3.3% in rbcL). H. bullata is characterized by a prostrate thallus up to 1.5 cm in height, highly anastomosed, with an axial cell surrounded by similar sized, or smaller, periaxial cells, tetrasporangia present near the base of branchlets, and the presence of lenticular thickening.


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