Two new and potentially highly threatened Megophrys Horned frogs (Amphibia: Megophryidae) from Indochina’s highest mountains

Zootaxa ◽  
2018 ◽  
Vol 4508 (3) ◽  
pp. 301 ◽  
Author(s):  
BENJAMIN TAPLEY ◽  
TIMOTHY CUTAJAR ◽  
STEPHEN MAHONY ◽  
CHUNG THANH NGUYEN ◽  
VINH QUANG DAU ◽  
...  

Megophrys are a group of morphologically conserved, primarily forest-dependent frogs known to harbour cryptic species diversity. In this study, we examined populations of small-sized Megophrys from mid- and high elevation locations in the Hoang Lien Range, northern Vietnam. On the basis of morphological, molecular and bioacoustic data, individuals of these populations differed from all species of Megophrys known from mainland Southeast Asia north of the Isthmus of Kra and from neighbouring provinces in China. Further, the newly collected specimens formed two distinct species-level groups. We herein describe two new species, Megophrys fansipanensis sp. nov. and Megophrys hoanglienensis sp. nov. Both new species are range restricted and likely to be highly threatened by habitat degradation. These discoveries highlight the importance of the Hoang Lien Range for Vietnam’s amphibian diversity.  

Zootaxa ◽  
2011 ◽  
Vol 2757 (1) ◽  
pp. 1 ◽  
Author(s):  
ANITA MALHOTRA ◽  
ROGER S. THORPE ◽  
MRINALINI _ ◽  
BRYAN L. STUART

We describe two new species of green pitviper from Southeast Asia that are morphologically similar to Cryptelytrops macrops, but can be distinguished from that species by genetic means, multivariate analysis of morphology and some aspects of coloration. Cryptelytrops cardamomensis sp. nov., is described from southeastern Thailand and the Cardamom Mountains of southwestern Cambodia. Cryptelytrops rubeus sp. nov. has been recorded from southern Vietnam and eastern Cambodia. These species have previously been confused with C. macrops, hence we also present here a redescription of this species, whose range is now restricted to Thailand, southern and central Laos, and northeastern Cambodia. All three species are present in Cambodia, but have disjunct ranges corresponding to three separate highland regions in southwestern (Cardamom Mountains), northeastern (western edge of the Kontum Plateau) and eastern (low elevation hills on the western edge of the Langbian Plateau) Cambodia for C. cardamomensis, C. macrops and C. rubeus respectively. However, there is still considerable morphological variation between geographically separated populations of C. macrops s.s., and greater sampling in southern and northern Thailand in particular may be required before the species diversity of this group is fully clarified.


1999 ◽  
Vol 13 (1) ◽  
pp. 67 ◽  
Author(s):  
Peter A. Serov ◽  
George D. F. Wilson

The discovery of asellotan isopod species resembling Stenetrium, but with male pleopods like those in the genus Pseudojanira Barnard, 1925 necessitated a re-examination of the taxonomy of the family Pseudojaniridae Wilson, 1986. Data presented in this paper support the assignment of the Pseudojaniridae to the superfamily Stenetrioidea Hansen, 1905, thus eliminating the superfamily Pseudojaniroidea Wilson. A new definition of the Stenetrioidea and a generic key are provided. The genus Pseudojanira and its species are revised, including a species-level key. A study of Pseudojanira investigatoris Poore and Just, 1990 has revealed two new cryptic species, Pseudojanira fremantlensis, sp. nov. and Pseudojanira justi, sp. nov. Some paratypes and other specimens originally classified as Pseudojanira investigatoris are reassigned to other species. Descriptions of two new monotypic genera of the Pseudojaniridae, Schottea taupoensis, gen. nov., sp. nov. andAdajinoperus tetanomorphus, gen. nov., sp. nov. further expand the recognised morphological diversity of this family. A new genus of Stenetriidae, Lexcenium, gen. nov., with two new species, L. poorei, sp. nov. and L. greenensis, sp. nov., provides additional evidence of the diverse, non- homologous forms of the ‘stylet-like’ appendix masculina within the superfamily.


Phytotaxa ◽  
2017 ◽  
Vol 295 (1) ◽  
pp. 49
Author(s):  
ALUWANI A. TSHIILA ◽  
SAMSON B.M. CHIMPHANGO ◽  
JAN-ADRIAAN VILJOEN ◽  
A. MUTHAMA MUASYA

Unclear boundaries between species hinder identification in the field and in herbaria, especially in species groups that can only be distinguished on the basis of subtle morphological and ecological features. One such taxon is Ficinia indica, widespread in the Greater Cape Floristic Region, growing on deep sandy soils between sea level and 1000 m elevation. Within its range, several phylogenetically related and morphologically similar species co-occur or occupy distinct habitats. Studies in herbaria show species in the Ficinia indica complex to be largely misidentified based on the use of qualitative information. Here, we investigate whether the six taxa recognized, based on one or a few characters, are supported as distinct species based on multivariate analysis of macro-morphological data. Two of the taxa were mostly separated whereas the other four taxa overlapped in multivariate space, but all the taxa could be distinguished using a single or a combination of morphological and ecological characters. We uphold the four previously recognized taxa (Ficinia argyropus, F. elatior, F. indica, F. laevis) as species, describe two new species (F. arnoldii and F. montana), and provide a dichotomous key for their identification.


Phytotaxa ◽  
2021 ◽  
Vol 496 (3) ◽  
pp. 281-293
Author(s):  
LUÍS A. FUNEZ ◽  
GUSTAVO HASSEMER ◽  
NIVALDO PERONI ◽  
ELISANDRO R. DRECHSLER-SANTOS

Margyricarpus pinnatus is a poorly understood entity from natural grasslands of South America that it better considered as a species complex. In this work we contribute to the advancement of the taxonomic knowledge of this challenging species complex by describing two new species of Margyricarpus from southern Brazil. We present field photographs, illustrations, a distribution map and ecologic and conservation notes on the new species.


Zootaxa ◽  
2005 ◽  
Vol 851 (1) ◽  
pp. 1 ◽  
Author(s):  
HEOK HEE NG ◽  
KELVIN K.P. LIM

The identity of the poorly known bagrid catfish Pseudomystus moeschii (Boulenger, 1890) is clarified and the species redescribed. Two new species of closely related bagrid catfishes are also described: Pseudomystus carnosus from the Way Seputih River drainage in the province of Lampung in the southern tip of Sumatra, and P. fumosus from the Pahang River drainage in eastern Peninsular Malaysia. Pseudomystus carnosus, P. fumosus and P. moeschii can be distinguished from congeners in having an enlarged posterior process of the post-temporal, presence of long hair-like epithelial projections on the skin and long tubular extensions of the sensory pores. Pseudomystus carnosus differs from the other two species in having a pointed (vs. rounded) tip of the nuchal shield, while P. fumosus differs from the other two species in having very well developed procurrent caudal rays which are sinuously curved along the anterior edges (vs. less developed procurrent caudal rays that slope evenly along the edges). A lectotype is designated for P. moeschii.


1936 ◽  
Vol 27 (2) ◽  
pp. 251-252 ◽  
Author(s):  
W. E. China

The genus Cicadulina was established in 1926 (Bull. Ent. Res. 17, p. 43) to hold a new species, C. zeae, China, injurious to maize in Kenya Colony. Later (Bull. Ent. Res., 19, 1928, p. 66) it was shown that Balclutha mbila, Naude, recorded as transmitting the virus of streak disease of maize in Natal, also belonged to this genus, and two new species C. arachidis and C. similis were described from the Gambia, where they were reported as injurious to ground-nut and suspected of transmitting the virus of the rosette disease of that plant. Since that time Dr. H. H. Storey of the Amani Research Station has been investigating the possibility of transmission of the streak virus of maize by C. zeae. In attempting to breed strains capable of transmission of the disease certain crosses were made which showed conclusively that he was dealing with two distinct species. These species he was able to separate on the colour pattern of the abdomen. Dr. Storey has now sent to me material of both these species and a study of the genitalia corroborates his finding. One, of course, proved to be C. zeae, the other is new and I therefore propose to dedicate it to the discoverer.


2009 ◽  
Vol 7 (2) ◽  
pp. 117-140 ◽  
Author(s):  
Osvaldo T. Oyakawa ◽  
George M. T. Mattox

Hoplias lacerdae was originally described from the rio Ribeira de Iguape, Iporanga, São Paulo State. The Hoplias lacerdae group is defined as containing generally large trahiras with the medial margins of dentaries running parallel to each other and lacking teeth on the basihyal compared to the H. malabaricus group in which the medial margins of the dentaries converge towards the mandibular symphysis and which have teeth on the basihyal. A taxonomic revision of the group based on meristic and morphometric data identified five distinct species: H. lacerdae distributed in the rio Ribeira de Iguape and rio Uruguai; H. intermedius from the rio São Francisco, upper rio Paraná basin, and rio Doce; H. brasiliensis from rivers of the Atlantic Coastal drainage from the rio Paraguaçu to the rio Jequitinhonha; H. australis new species, endemic to the rio Uruguai; and H. curupira new species present in northern South America, including the rios Negro, Trombetas, Tapajós, Xingu, Tocantins and Capim in the Amazon basin, upper rio Orinoco near the rio Casiquiare (Venezuela), and coastal rivers of Guyana and Suriname. A lectotype for Hoplias intermedius and a neotype for H. brasiliensis are designated.


2003 ◽  
Vol 3417 ◽  
pp. 1-60 ◽  
Author(s):  
RAOUL H. BAIN ◽  
AMY LATHROP ◽  
ROBERT W. MURPHY ◽  
NIKOLAI L. ORLOV ◽  
HO THU CUC

PeerJ ◽  
2021 ◽  
Vol 9 ◽  
pp. e11848
Author(s):  
Gustavo Hassemer ◽  
Elliot M. Gardner ◽  
Nina Rønsted

High-throughput sequencing, when combined with taxonomic expertise, is a powerful tool to refine and advance taxonomic classification, including at the species level. In the present work, a new species, Plantago campestris, is described out of the P. commersoniana species complex, based on phylogenomic and morphological evidence. The main morphological characters that distinguish the new species from P. commersoniana are the glabrous posterior sepals and the slightly broader leaves. The new species is known from only three localities, all in natural high-elevation grasslands in Paraná and Santa Catarina states, southern Brazil. According to the IUCN criteria new species should be assessed as Endangered (EN). We present field photographs of P. campestris and related species, and we provide an identification key to the species previously included within the circumscription of P. commersoniana.


Zootaxa ◽  
2018 ◽  
Vol 4429 (1) ◽  
pp. 89 ◽  
Author(s):  
WERNER CONRADIE ◽  
THEO BUSSCHAU ◽  
SHELLEY EDWARDS

The African genus of fossorial legless lizards (Acontias Cuvier) currently comprises 26 species and subspecies. In a recent study on the two disjunct populations of Acontias breviceps Essex, the presence of cryptic species was discovered. Here, we increase the sampling size and describe these disjunct populations from the Mpumalanga Escarpment of South Africa as new species. The new species differ from congeners based on a combination of factors, including the number of midbody, ventral, and subcaudal scale counts, ventral pigmentation, allopatric distributions, and genetic divergences. The new species are genetically distant from nominal A. breviceps, with which it shares overall pigmentation and scalation. The new description adds to the growing number of Mpumalanga escarpment endemic reptiles, and highlights the area as a biodiversity hotspot. The use of vertebral counts as a distinguishing character between species is briefly discussed. 


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