The tadpole of Melanophryniscus cambaraensis Braun & Braun, 1979 (Anura: Bufonidae)

Zootaxa ◽  
2010 ◽  
Vol 2569 (1) ◽  
pp. 67
Author(s):  
JORGE SEBASTIÃO BERNARDO-SILVA ◽  
RAQUEL ROCHA DOS SANTOS ◽  
CAMILA BOTH
Keyword(s):  
External Morphology ◽  
Type Locality ◽  
Sister Taxon ◽  
Southern Brazil ◽  
Araucaria Forest ◽  
The Family

The genus Melanophryniscus comprises 24 species, occurring in northern Argentina, southern Bolivia, southern Brazil, Paraguay, and Uruguay (Frost, 2009). The genus belongs to the family Bufonidae; it is probably monophyletic (Graybeal & Cannatella, 1995), and was considered a sister taxon of all other bufonids by Frost et al. (2006). Melanophryniscus cambaraensis was described in 1979 by Braun and Braun, and belongs to the M. tumifrons group (Cruz & Caramaschi, 2003). The species is endemic to the southeastern Araucaria Forest, southern Brazil, with records from Cambará do Sul (type locality; Braun & Braun, 1979), and neighbor areas in the municipality of São Francisco de Paula (Kwet & Di-Bernardo, 1999). The tadpole of M. cambaraensis is undescribed so far. Herein, we describe its external morphology, and compare it briefly with the tadpole of M. orejasmirandai Prigioni and Langone, the only previously described tadpole in the Melanophryniscus tumifrons group.

scholarly journals The Brazilian Pareiasaur Revisited

2021 ◽  
Vol 9 ◽  
Author(s):  
Juan C. Cisneros ◽  
Paula Dentzien-Dias ◽  
Heitor Francischini
Keyword(s):  
Social Behavior ◽  
South African ◽  
Phylogenetic Relationships ◽  
Radiometric Dating ◽  
Type Locality ◽  
Sister Taxon ◽  
Southern Brazil ◽  
The South ◽  
Ontogenetic Stages

Provelosaurus americanus is the only known representative of the Pareiasauria in the Americas. This mid-size pareiasaur from the Rio do Rasto Formation of southern Brazil has been traditionally considered to be related to smaller forms from the South African Karoo known as the “dwarf pareiasaurs” of Lopingian age. P. americanus, however, co-existed with dinocephalians, which indicates a Guadalupian age. New fossils provide a nearly complete osteological account that forms the basis for a revised diagnosis and a test of phylogenetic relationships of P. americanus. Our results offer further support to the hypothesis that the Brazilian pareiasaur is the sister taxon of the Karoo “dwarf pareiasaurs,” being the earliest member of this group and one of the oldest pareiasaurs known so far. This is reinforced by a radiometric dating of the Morro Pelado Member of the Rio do Rasto Formation. In addition, the association of four individuals of various ontogenetic stages at the type locality supports some degree of social behavior in P. americanus.

scholarly journals Fauna of Leptophlebiidae Banks (Insecta: Ephemeroptera) on fragments of the Atlantic Forest from west region of Santa Catarina State, Brazil

2013 ◽  
Vol 13 (4) ◽  
pp. 57-70 ◽  
Author(s):  
Erikcsen Augusto Raimundi ◽  
Frederico Falcão Salles ◽  
Gilza Maria de Souza-Franco
Keyword(s):  
Atlantic Forest ◽  
Aquatic Environments ◽  
Frequency Of Occurrence ◽  
Southern Brazil ◽  
Santa Catarina ◽  
Araucaria Forest ◽  
West Region ◽  
Small Streams ◽  
The Family ◽  
Santa Catarina State

The first studies of Leptophlebiidae in the Santa Catarina State, Southern Brazil, dated from 1920. Since then, not much is known about the family (even to the Order Ephemeroptera) to the State. The main goal of this study was to survey fauna of Leptophlebiidae in the Santa Catarina State based on nymphs. The material was obtained from the collection deposited at the Laboratório de Pesquisa em Ecologia e Química of the Universidade Comunitária da Região de Chapecó, besides additional specimens collected between 2008 and 2009. Occurrences were plotted in the hydrograph map of Santa Catarina State, with one map for each genus. The Leptophlebiidae nymphs were recorded in 26 aquatic environments that included small streams and rivers. We identified 24 morphotypes distributed in 12 genera. Number of genera in the Western of Santa Catarina increased from eight to 15. Thraulodes, Ulmeritoides and Homothraulus presented higher frequency of occurrence in the region. Leentvaaria and Hermanella were associated to regions well conserved such as in the Araucaria forest. Needhamella and Segesta were related mainly to Irani River.

An annotated checklist of mesoplodont whale species (Cetacea, Ziphiidae) discovered during the nineteenth century

2015 ◽  
Vol 42 (2) ◽  
pp. 226-235 ◽  
Author(s):  
G. N. H. Waller
Keyword(s):  
Nineteenth Century ◽  
Additional Data ◽  
Original Description ◽  
Type Specimen ◽  
External Morphology ◽  
Type Locality ◽  
Type Material ◽  
Beaked Whale ◽  
Registration Number ◽  
Annotated Checklist

Eight species of mesoplodont whales (genus Mesoplodon Gervais, 1850) named during the nineteenth century are based on valid descriptions. A checklist with the original description and type material for each of these species is provided. Additional data given may include type locality and illustrative sources, type material holding institution and type registration number(s). The only type specimen for which a record of external morphology was published relates to the 1803 stranding of Sowerby's beaked whale (Mesoplodon bidens).

scholarly journals Wood anatomical traits of the Araucaria Forest, Southern Brazil

2016 ◽  
Vol 37 (1) ◽  
pp. 21-31 ◽  
Author(s):  
Patricia Soffiatti ◽  
Maria Regina Torres Boeger ◽  
Silvana Nisgoski ◽  
Felipe Kauai
Keyword(s):  
Southern Brazil ◽  
Araucaria Forest

scholarly journals Gall-inducing insects of an Araucaria Forest in southern Brazil

2013 ◽  
Vol 57 (2) ◽  
pp. 225-233 ◽  
Author(s):  
Tiago Shizen Pacheco Toma ◽  
Milton de Souza Mendonça Júnior
Keyword(s):  
Southern Brazil ◽  
Araucaria Forest

scholarly journals On the fossil Remains of Panochthus Burmeister, 1866 (Xenarthra, Cingulata, Glyptodontidae) from the Pleistocene of southern Brazil

2015 ◽  
Vol 87 (1) ◽  
pp. 15-27 ◽  
Author(s):  
José D. Ferreira ◽  
Martín Zamorano ◽  
Ana Maria Ribeiro
Keyword(s):  
South America ◽  
Rio Grande ◽  
Species Level ◽  
External Morphology ◽  
Latitudinal Distribution ◽  
Southern Brazil ◽  
Rio Grande Do Sul ◽  
Diagnostic Features ◽  
New Material

The genus Panochthus represents the last lineage of "Panochthini" recorded in the Pleistocene. This genus has a wide latitudinal distribution in South America, and in Brazil it occurs in the southern and northeastern regions. In this paper we describe new material (isolated osteoderms and caudal tube fragments) assigned to Panochthus from the state of Rio Grande do Sul (southern Brazil) and discuss some taxonomic issues related to Panochthus tuberculatus and Panochthus greslebini based on this material . The occurrence of P. greslebini is the first for outside the Brazilian Intertropical Region. In addition, we describe new diagnostic features to differentiate the osteoderms of P. greslebini and P. tuberculatus. Unfortunately, it was not possible to identify some osteoderms at the species level. Interestingly, they showed four distinct morphotypes characterized by their external morphology, and thus were attributed to Panochthus sp. Lastly, we conclude that in addition to P.tuberculatus registered to southern Brazil, there is another species of the genus, assignable to P. cf. P. greslebini. Our analysis reinforce the reliability of caudal tube characters for the classification of species of Panochthus.

scholarly journals Martensopsalis, a new genus of Neopilionidae from New Caledonia (Opiliones: Eupnoi)

Zootaxa ◽  
2021 ◽  
Vol 4984 (1) ◽  
pp. 98-107
Author(s):  
GONZALO GIRIBET ◽  
CAITLIN M. BAKER ◽  
DAMIEN BROUSTE
Keyword(s):  
Type Species ◽  
New Genus ◽  
New Caledonia ◽  
Ventral Side ◽  
External Morphology ◽  
Type Locality ◽  
Phylogenetic Position ◽  
Formal Description ◽  
Undescribed Species

New Caledonia has an endemic opiliofauna with two named species of Triaenonychidae, 17 Troglosironidae and eight Zalmoxidae. The recent finding of Neopilionidae on Grande Terre was thus surprising, and required the formal description of a new genus, which we undertake here. Martensopsalis gen. nov. is characterized by a small unsclerotized body with a unique palp with a pointed basal apophysis on the ventral side of the femur and with a distal apophysis on the prolateral side of the patella. The distinct external morphology, simple penis and unique phylogenetic position justify the erection of the new genus with Martensopsalis dogny spec. nov. as its type species. In addition to the type locality we report several other localities of putative congeneric, yet undescribed species. 

scholarly journals Natural infection of Deroceras laeve (Mollusca: gastropoda) with metastrongylid larvae in a transmission focus of abdominal angiostrongyliasis

2002 ◽  
Vol 44 (1) ◽  
pp. 53-54 ◽  
Author(s):  
Rafael Lucyk MAURER ◽  
Carlos GRAEFF-TEIXEIRA ◽  
José Willibaldo THOMÉ ◽  
Luís Antônio CHIARADIA ◽  
Hiroko SUGAYA ◽  
...  
Keyword(s):  
Epidemiological Study ◽  
Natural Infection ◽  
Southern Brazil ◽  
Intermediate Hosts ◽  
Santa Catarina ◽  
Crop Pest ◽  
The Third ◽  
The Family ◽  
Third Stage ◽  
First Time

Angiostrongylus costaricensis is a nematode parasitic of rodents. Man may become infected by ingestion of the third stage larvae produced within the intermediate hosts, usually slugs from the family Veronicellidae. An epidemiological study carried out in a locality in southern Brazil (western Santa Catarina State) where these slugs are a crop pest and an important vector for A. costaricensis has documented for the first time the natural infection of Deroceras laeve with metastrongylid larvae. This small limacid slug is frequently found amid the folds of vegetable leaves and may be inadvertently ingested. Therefore D. laeve may have an important role in transmission of A. costaricensis to man.

Leaf architecture of terrestrial and epiphytic ferns from an Araucaria forest in southern Brazil

Botany ◽  
2013 ◽  
Vol 91 (11) ◽  
pp. 768-773 ◽  
Author(s):  
L. Larcher ◽  
M.R.T. Boeger ◽  
P. Soffiatti ◽  
T.I. Da Silveira
Keyword(s):  
Plant Architecture ◽  
Mechanical Design ◽  
Light Interception ◽  
Leaf Position ◽  
Southern Brazil ◽  
Leaf Architecture ◽  
Leaf Form ◽  
Araucaria Forest ◽  
Maximum Light ◽  
Rigid Structure

Studies of angiosperms have associated the mechanical design of petioles with leaf form and the occurrence of simple and compound leaves. Petiole anatomy can respond differently, according to different leaf forms, to maintain plant architecture. The present study evaluated whether this premise applies to fern leaf architecture. Leaves of five ferns (Blechnum binervatum (Poir.) C.V. Morton & Lellinger, Ctenitis falciculata (Raddi) Ching, Megalastrum connexum (Kaulf.) A.R. Smith & R.C. Moran, Microgramma squamulosa (Kaulf.) de la Sota, and Serpocaulon catharinae (Langsd. & Fisch.) A.R. Sm.) from a remnant of an Araucaria Forest in southern Brazil were collected and their morphological and anatomical traits were analyzed. Results indicate that the biomechanical patterns of these terrestrial and epiphytic ferns are similar to those reported for angiosperms, except for the presence of subepidermal sclerenchyma in fern petioles. Independently of leaf form, the rigid structure of fern petioles appears to be an important adaptation to biomechanically support leaf position for maximum light interception in forest understories.

Sign in / Sign up

Export Citation Format

Share Document