scholarly journals A new species of Curculionichthys (Siluriformes: Loricariidae) from the north edge of the Brazilian Shield, lower Amazon basin

2019 ◽  
Vol 17 (2) ◽  
Author(s):  
Suelen P. Gamarra ◽  
Bárbara B. Calegari ◽  
Roberto E. Reis
Keyword(s):  
New Species ◽  
Phylogenetic Relationships ◽  
Amazon Basin ◽  
New Taxon ◽  
Electronic Microscopy ◽  
The North ◽  
Northern Edge ◽  
North Edge ◽  
A New Species ◽  
Meristic Data

ABSTRACT A new species of Curculionichthys is described from the rio Curuá-Una basin, in the northern edge of the Brazilian Shield, State of Pará, Brazil. The new species is diagnosed from congeners by possessing a single rostral plate, by having darkened tooth-crowns, and by a series of morphometric and meristic data. A close examination of the species of Curculionichthys revealed the presence of hyperthrophied odontodes on both dorsal and ventral margins of the snout tip, which are illustrated by electronic microscopy. A discussion is provided on possible phylogenetic relationships of the new taxon. The new species is provisionally accessed as Least Concern (not threatened).

scholarly journals Pyrenochaetopsis kuksensis (Pyrenochaetopsidaceae), a new species associated with an ornamental boxwood in the Czech Republic

Phytotaxa ◽  
2021 ◽  
Vol 498 (3) ◽  
pp. 177-185
Author(s):  
MILAN ŠPETÍK ◽  
AKILA BERRAF-TEBBAL ◽  
ROBERT POKLUDA ◽  
ALEŠ EICHMEIER
Keyword(s):  
Czech Republic ◽  
New Species ◽  
Phylogenetic Relationships ◽  
Sequence Data ◽  
Phylogenetic Analyses ◽  
New Taxon ◽  
The Czech Republic ◽  
Buxus Sempervirens ◽  
Fungal Microbiome ◽  
A New Species

During the investigation of fungal microbiome associated with boxwood in the Czech Republic, samples from Buxus sempervirens L. (Buxaceae) plants were collected and used for isolation. Two fungal strains were proposed as a new species Pyrenochaetopsis kuksensis based on morphology as well as phylogenetic analyses of ITS, LSU, rpb2, and tub2 sequence data. Detailed descriptions and phylogenetic relationships of the new taxon are provided.

A new species of Hyattechinus (Echinoidea) from the type Devonian of the United Kingdom and implications for the distribution of Devonian proterocidarid echinoids

2018 ◽  
Vol 156 (5) ◽  
pp. 801-810 ◽  
Author(s):  
JEFFREY R. THOMPSON ◽  
TIMOTHY A. M. EWIN
Keyword(s):  
New Species ◽  
Sea Urchins ◽  
Appalachian Basin ◽  
Upper Devonian ◽  
Late Devonian ◽  
New Taxon ◽  
The North ◽  
Late Palaeozoic ◽  
Diversity Dynamics ◽  
A New Species

AbstractMany of the most diverse clades of Late Palaeozoic echinoids (sea urchins) originated in the Devonian period. Our understanding of diversity dynamics of these Late Palaeozoic clades are thus informed by new systematic descriptions of some of their earliest members. The Proterocidaridae are a diverse and morphologically distinct clade of stem group echinoids with flattened tests and enlarged adoral pore pairs, which are first known from the Upper Devonian. We herein report on a new species of Hyattechinus, Hyattechinus anglicus n. sp., from the Upper Devonian of the North Devon Basin, Devon, UK. This is the first Devonian Hyattechinus known from outside of the Appalachian Basin, USA, and provides novel information regarding the palaeogeographic and stratigraphic distribution of proterocidarids in Late Devonian times. We additionally update the stratigraphic distribution of Devonian Hyattechinus from the Appalachian Basin, following recent biostratigraphic resolution of their occurrences. Hyattechinus appears to have been present in the Rheic echinoderm fauna during Late Devonian times, and comparison of the palaeoenvironmental setting of Hyattechinus anglicus with that of other Hyattechinus from the Famennian of the Appalachian Basin suggests that the genus may have preferred siliciclastic settings. Furthermore, this new taxon increases the diversity of echinoids from the Upper Devonian of Devon to three species.

A new species of the sauropterygian genusNothosaurusfrom the Lower Muschelkalk of Winterswijk, The Netherlands

2003 ◽  
Vol 77 (4) ◽  
pp. 738-744 ◽  
Author(s):  
Paul C. H. Albers ◽  
Olivier Rieppel
Keyword(s):  
New Species ◽  
The Netherlands ◽  
Phylogenetic Relationships ◽  
New Taxon ◽  
Ventral Margin ◽  
Stratigraphic Record ◽  
A New Species ◽  
Basal Position ◽  
Lower Muschelkalk

A new species of the genusNothosaurusfrom the Lower Muschelkalk of Winterswijk, The Netherlands, shows relatively plesiomorphic features such as a relatively forward position of the pineal foramen. The jugal enters into the ventral margin of the orbit, which would also be regarded as plesiomorphic, were it not that this feature optimizes unequivocally as a reversal and, hence, as a diagnostic (derived) character of the new taxon. The new taxon does not, however, increase the fit of the cladogram for the phylogenetic relationships withinNothosaurusto the stratigraphic record of the genus. The basal position ofNothosaurus juvenilisremains problematic.

scholarly journals Hemiodus langeanii (Characiformes: Hemiodontidae), a new species from rio Amana, rio Maués-Açú drainage, Amazon basin, Brazil

2012 ◽  
Vol 10 (2) ◽  
pp. 255-262 ◽  
Author(s):  
Hélio Beltrão ◽  
Jansen Zuanon
Keyword(s):  
New Species ◽  
Lateral Line ◽  
Amazon Basin ◽  
Dark Spot ◽  
Similar Species ◽  
New Taxon ◽  
High Body ◽  
Eye Diameter ◽  
A New Species ◽  
Pelvic Fin

Hemiodus langeanii, new species, is described based on 20 specimens collected in the rio Amana, a tributary of rio Maués-Açú, rio Amazonas drainage, Brazil. The new taxon can be distinguished from its congeners by its high body (27.1-35.3%, average 32.3% SL vs. 18.8-28.5% in remaining species). The new species also exhibits a large lateral dark spot that is equal to, or greater than, the eye diameter (vs. smaller in remaining species except for H. microlepis). The lack of conspicuous lateral stripe or transverse bands and the low lateral line scales count (68-74) distinguish H. langeanii from some similar species in the genus (scale counts: 94-123 in H. argenteus, 124-148 in H. microlepis, 86-99 in H. orthonops and 77-92 in H . parnaguae). Finally, the new species can be differentiated from H. unimaculatus (which overlaps in the number of lateral line scales) by the higher number of scales between the lateral line and the pelvic fin origin (9-10 vs. 4-7, respectively), which are similar sized above and below lateral line (vs. scales larger bellow the lateral line in H. unimaculatus).

scholarly journals Euglossa paisa, a new species of orchid bee from the Colombian Andes (Hymenoptera: Apidae)

Zootaxa ◽  
2005 ◽  
Vol 1065 (1) ◽  
pp. 51 ◽  
Author(s):  
SANTIAGO RAMÍREZ
Keyword(s):  
New Species ◽  
Amazon Basin ◽  
Morphological Characters ◽  
New Taxon ◽  
Orchid Bee ◽  
Colombian Andes ◽  
Tropical America ◽  
Northwest Amazon ◽  
Wet Forests ◽  
A New Species

A distinct new species of orchid bee, Euglossa paisa Ramírez n. sp., is here described. Various morphological characters suggest that this new taxon belongs to the subgenus Glossurella, a group composed of 21 species whose members occur throughout low and mid elevation tropical America. E. paisa n. sp. is morphologically closest to E. oleolucens Dressler, a species endemic to the montane region of southern Costa Rica, and these two to E. fuscifrons Dressler, a species endemic to the lowland wet forests of the northwest Amazon Basin. E. paisa is endemic to the Cordillera Central of Colombia, a region of elevated diversity and profuse endemism.

A new species of chameleon (Sauria: Chamaeleonidae) from the highlands of northwest Kenya JAN STIPALA (UK), NICOLA LUTZMÁNN (Germany), PATRICK K. MALONZA (Kenya), LUCA BORGH-ESIO (USA), PAUL WILKINSON (UK), BRENDAN GODLEY (UK), MATTHEW R. EVANS (UK)

Zootaxa ◽  
2011 ◽  
Vol 3002 (1) ◽  
pp. 1 ◽  
Author(s):  
JAN STIPALA ◽  
NICOLA LUTZMÁNN ◽  
PATRICK K. MALONZA ◽  
LUCA BORGHESIO ◽  
PAUL WILKINSON ◽  
...  
Keyword(s):  
Mitochondrial Dna ◽  
New Species ◽  
Forest Edge ◽  
Agricultural Landscapes ◽  
New Taxon ◽  
The North ◽  
Afromontane Forest ◽  
A New Species

A new species of chameleon, Trioceros nyirit sp. nov., is described from the northwest highlands of Kenya. It is morphologically similar to T. hoehnelii and T. narraioca, possessing a short rostral appendage, but differs from them by having a straight or weakly curved parietal crest and forward-pointing rostral projection. A phylogeny based on mitochondrial DNA shows that the proposed new taxon is a distinct clade within the bitaeniatus-group and a sister lineage to T. schubotzi. Its distribution appears to be restricted to the Cherangani Hills and adjacent Mtelo massif to the north. It is associated with afromontane forest edge, afroalpine ericaceous vegetation and also occurs in agricultural landscapes.

A Synopsis of Dicliptera (Acanthaceae) in Brazil, with the Description of Two New Species

2020 ◽  
Vol 45 (2) ◽  
pp. 340-348
Author(s):  
James Lucas da Costa-Lima ◽  
Earl Celestino de Oliveira Chagas
Keyword(s):  
New Species ◽  
South America ◽  
The State ◽  
Northeastern Brazil ◽  
Mato Grosso ◽  
The North ◽  
New Synonyms ◽  
Two New Species ◽  
Mato Grosso Do Sul ◽  
A New Species

Abstract—A synopsis of Dicliptera (Acanthaceae) for Brazil is presented. Six species are recognized: Dicliptera ciliaris, D. sexangularis, and D. squarrosa, widely distributed in South America; D. purpurascens, which ranges from the North Region of Brazil (in the state of Acre) to eastern Bolivia; D. gracilirama, a new species from the Atlantic Forest of northeastern Brazil; and D. granchaquenha, a new species recorded in dry and semideciduous forests in Bolivia and western Brazil, in the state of Mato Grosso do Sul. Furthermore, we propose new synonyms and designate lectotypes for eleven names. An identification key to the six accepted Dicliptera species in Brazil is provided.

A new species of Sclerocephalus with a fully ossified endocranium gives insight into braincase evolution in temnospondyls

2021 ◽  
pp. 1-13
Author(s):  
Rainer R. Schoch ◽  
Gabriela Sobral
Keyword(s):  
New Species ◽  
Character Evolution ◽  
Late Paleozoic ◽  
New Taxon ◽  
Early Permian ◽  
Top Predator ◽  
Central European ◽  
Wide Range ◽  
A New Species ◽  
Insight Into

Abstract The late Paleozoic temnospondyl Sclerocephalus formed an aquatic top predator in various central European lakes of the late Carboniferous and early Permian. Despite hundreds of specimens spanning a wide range of sizes, knowledge of the endocranium (braincase and palatoquadrate) remained very insufficient in Sclerocephalus and other stereospondylomorphs because even large skulls had unossified endocrania. A new specimen from a stratigraphically ancient deposit at St. Wendel in southwestern Germany is recognized as representing a new taxon, S. concordiae new species, and reveals a completely ossified endocranium. The sphenethmoid was completely ossified from the basisphenoid to the anterior ethmoid region, co-ossified with the parasphenoid, and the basipterygoid joint was fully established. The pterygoid bears a slender, S-shaped epipterygoid, which formed a robust pillar lateral to the braincase. The massive stapes was firmly sutured to the parasphenoid. In the temnospondyl endocranium, character evolution involved various changes in the epipterygoid region, which evolved distinct morphologies in each of the major clades. UUID: http://zoobank.org/5e6d2078-eacf-4467-84cf-a12efcae7c0b

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