Taxonomic guide and historical review of echinoids (Echinodermata: Echinoidea) from northeastern Brazil

Zootaxa ◽  
2018 ◽  
Vol 4529 (1) ◽  
pp. 1 ◽  
Author(s):  
ANNE ISABELLEY GONDIM ◽  
RAFAEL BENDAYAN DE MOURA ◽  
MARTIN LINDSEY CHRISTOFFERSEN ◽  
THELMA LÚCIA PEREIRA DIAS

The class Echinoidea contains among the best-known echinoderms. The group has left the most complete fossil record of this phylum, and contains about 1000 living species, of which 51 are recorded along the Brazilian coast. Although the first record of echinoids in Brazil was made 369 years ago, the knowledge of this fauna remains quite unsatisfactory from a taxonomic and ecological point of view, particularly in the north and northeastern regions of the country. This study provides the first annotated list of echinoids from northeastern Brazil. The studied material largely belongs to collections of the Federal University of Paraíba (CIPY), Federal University of Sergipe (LABIMAR-UFS), Federal University of Bahia (MZUFBA), University of São Paulo (MZUSP), and National Museum of the Federal University of Rio de Janeiro (MNRJ). Thirty-two species from 29 genera, 18 families, and 10 orders were identified. Descriptions of species are provided. Highest diversities of Echinoidea were encountered for the states of Bahia (19 spp.), Alagoas (11 spp.), Paraíba (10 spp.), Ceará (7 spp.), Rio Grande do Norte (7 spp.), and Pernambuco (6 spp.). On the basis of the data analysed, Maranhão (2 spp.), Piauí (2 spp.), and Sergipe (3 spp.) have the lowest diversity. Sandy substrates and depths below 10 m were the least sampled areas over the continental shelf. Although the studied species are common, some taxonomic problems were encountered and discussed. We also provide ecological information and comments on status of the species from the studied region. As a result of this inventory, we were able to provide the first assessment of the echinoid fauna of northeastern Brazil. 

1967 ◽  
Vol 16 (1) ◽  
pp. 13-22 ◽  
Author(s):  
Ellen F. Luedemann

In February-March 1963, during the Equalant Operation for the ICITA program, 476 drift-bottles were released at the equatorial waters off the northern Brazilian coast (01ºS to 09ºN and 043ºW to 053ºW). Thirty-five, bottles were recovered (7,4%). Those were classed in five groups according to their different velocity ranges and areas of recovery (Trinidad Island; Lesser Antilles; Caribbean and Florida area; north Brazil; northeastern Brazil). The recoveries of bottles released within 300 nm off the northern and northeastern coast of Brazil confirmed a strong current along the north and northeast coast in northwestern direction (South Equatorial Current and branches). In late February-early March the bottles showed maximum velocities of this current (3,6 knots). The region off the northern coast of Brazil, between 05ºN and 09ºN up to 050ºW seems to have been under the influence of an eastward component of the surface current in this same period, while at late March this influence appears to have been weaker. In the region from Trinidad Island to Yucatan Peninsula the current seems to be stronger on the northeastern side of the Caribbean Sea.


Zootaxa ◽  
2004 ◽  
Vol 615 (1) ◽  
pp. 1 ◽  
Author(s):  
ALMIR ROGÉRIO PEPATO ◽  
CLÁUDIO GONÇALVES TIAGO

This is the first record of the subfamily Simognathinae for the Brazilian coast. Two new species are described, Acaromantis vespucioi sp. nov. and Simognathus euphractus sp. nov. The description of Simognathus fuscus Viets, 1936 is extended with the inclusion of juveniles description.


Check List ◽  
2017 ◽  
Vol 13 (2) ◽  
pp. 2060
Author(s):  
Alex Barbosa de Moraes ◽  
Daniele Cosme Soares de Moraes ◽  
Carlos Eduardo Rocha Duarte Alencar ◽  
Willianilson Pessoa da Silva ◽  
Fúlvio Aurélio de Morais Freire

Potimirim potimirim (Müller, 1881), a species of coastal freshwater shrimp, is recorded for the first time from the state of Rio Grande do Norte, northeastern of Brazil, where it was collected in a small tributary of the Potengi River. This record extends the distribution of this species about 220 km north along Brazilian coast. New records, such as this, reinforce the need for greater research efforts in the northeastern freshwater ecosystems of Brazil to provide better understand the region’s biodiversity and establish better parameters for conservation actions.


2021 ◽  
Vol 31 (1) ◽  
pp. 7-19
Author(s):  
S. I. Andreeva ◽  
N. I. Andreev ◽  
E. S. Babushkin

The fauna of the rivers of the north of Western Siberia that do not belong to the Ob’ River basin is of particular interest from the point of view of zoogeography and understanding of the processes of formation of the freshwater malacofauna. Starting in the taiga zone, these rivers flow north and cannot serve as a way of interzonal dispersal of species from lower latitudes. However, information about the fresh-water malacofauna of these river basins is poorly presented in the scientific literature, some of the published species findings are doubtful or erroneous. The gastropod mollusks of the family Valvatidae of the Taz river basin (Western Siberia) are considered. The basin is located closer to the Yenisei than to the Ob’ River basin. The study was based on original authors’ material represented by both qualitative and quantitative samples. It has been found that eight species of mollusks of the genus Valvata occurs in the water reservoirs and streams of the Taz basin, an annotated list of species is presented, and a brief zoogeographic characteristic is given. Three species (Valvata helicoidea, V. sorensis and V. korotnevi) are for the first time recorded from the basin, one of them (V. korotnevi) is for the first time recorded from the Western Siberia waterbodies.


Phytotaxa ◽  
2014 ◽  
Vol 190 (1) ◽  
pp. 130 ◽  
Author(s):  
Iara Oliveira Costa ◽  
Paulo Antunes Horta ◽  
Ellie R Bergstrom ◽  
José Marcos De Castro Nunes

This work presents a detailed morphoanatomical study of crustose coralline algae species from the northeastern Brazilian coast, in the north of Bahia state. Nine species have been recognized: Sporolithon episporum, Lithophyllum stictaeforme, Spongites yendoi, Spongites sp., Mesophyllum erubescens, Phymatolithon masonianum, Phymatolithon calcareum, Lithothamnion crispatum and Lithothamnion brasiliense. Phymatolithon masonianum and Phymatolithon calcareum constitute the first record of these species for the northern coast of Brazil. An identification key, as well as descriptions, illustrations, comparisons with related taxa, and geographical distributions for Brazil as well as global geographic distributions are presented. Additionally, some ecological implications are discussed focusing the need of more studies about this neglected group of coralline red algae.


Bothalia ◽  
2017 ◽  
Vol 47 (1) ◽  
Author(s):  
Duilio Iamonico ◽  
Ridha El Mokni

Background: Amaranthus is a critical genus from a taxonomic point of view because of its high phenotypic variability, which has led to nomenclatural disorder, misapplication of names, and erroneous species identification. As a whole, floristic and taxonomic studies on this genus are still incomplete. Objectives: The main objective was to record the North American species Amaranthus palmeri in Tunisia for the first time and to point out a second occurrence for Africa. At the same time, we highlight some nomenclatural confusion concerning the name A. palmeri var. glomeratus which appears to be untypified and which should be treated at species rank. Method: The work is based on field surveys, analysis of relevant literature and examination of specimens preserved in the herbaria GH, FI, HFLA, K, MICH, NEBC, NY, MO, P, RO, US, and the Herbarium of Bizerta University. Results: A population of Amaranthus palmeri was discovered in Bizerta Province, representing the first record for the national flora. This record also represents the second record for Africa. Morphological characters, as well as ecological data are provided. Nomenclatural notes are provided for A. palmeri var. glomeratus (lectotype at GH, here designated; isolectotypes at MICH and US), and a new name (A. sonoriensis) is proposed. Conclusion: Amaranthus palmeri is an alien species in Tunisia, growing along roadsides and in public gardens. Future monitoring of the populations found will be necessary to verify possible naturalisation and spreading of A. palmeri in Tunisia. If this happens, actions for eradication of the plants will be necessary.


Check List ◽  
2018 ◽  
Vol 14 (3) ◽  
pp. 539-544
Author(s):  
Alex Barbosa de Moraes ◽  
Daniele Cosme Soares de Moraes ◽  
Nielson Felix Caetano França ◽  
Jéssica Medeiros Malheiros ◽  
Fúlvio Aurélio de Morais Freire

We present the first record of Ambidexter symmetricus Manning & Chace, 1971 for the state of Rio Grande do Norte, northeastern Brazil, filling a distribution gap of this species in the country. We confirm the preference of this species for seagrass meadows in the Curimataú river estuary. Lastly, a brief overview and an updated distribution map for the records of this species on the Brazilian coast are provided.


Check List ◽  
2017 ◽  
Vol 13 (2) ◽  
pp. 2099
Author(s):  
Soraya G. Rabay ◽  
Helena Matthews-Cascon ◽  
Luis E. Arruda Bezerra

Contributions to the knowledge of the Pycnogonida fauna along the Brazilian coast are scarce. There are only 60 records for the coast of Brazil, and reports of this fauna are notably discontinuous. This is the first record of Pentapycnon geayi Bouvier, 1911 (Pycnogonida: Pycnogonidae) in the state of Ceará. This study adds a new bathymetric record and fills a gap in the distribution of P. geayi along the Brazilian coast. This report also provides important new data for Ceará because the diversity of Pycnogonida in this state is practically unknown.


Zootaxa ◽  
2020 ◽  
Vol 4786 (4) ◽  
pp. 516-534
Author(s):  
MARIA J.S. RODRIGUES ◽  
ANA C.S. ALMEIDA ◽  
LEANDRO M. VIEIRA

At date, seven species of Stylopoma Levinsen, 1909 are reported from the Brazilian coast, five of which are known from Bahia State in the northeastern region. Here we describe four new species of Stylopoma, all from Bahia State: Stylopoma corallinum n. sp., Stylopoma faceluciae n. sp., Stylopoma multiavicularia n. sp. and Stylopoma sinuata n. sp. Unlike the Caribbean species of Stylopoma, that mainly have rounded primary orifice and slit-like sinus, the morphology of the primary orifice of Brazilian taxa, including the new species presented here, is quite variable. In the newly described taxa, the sinus is drop-shaped in S. corallinum n. sp. and S. faceluciae n. sp., U-shaped in S. multiavicularia n. sp. and V-shaped in S. sinuata n. sp. Like congeners from the Caribe, S. corallinum n. sp., S. faceluciae n. sp. and S. multiavicularia n. sp. have avicularia on the surface of the ooecia. Remarks on the morphological characters currently used in Stylopoma taxonomy are provided, including a comparative table of all living species worldwide. 


Check List ◽  
2014 ◽  
Vol 10 (2) ◽  
pp. 432 ◽  
Author(s):  
Rodrigo Matavelli ◽  
Aldenise Martins Campos ◽  
Guilherme Ramos Da Silva ◽  
Gilda Vasconcellos de Andrade

In this study, we present the first record of Rhinella ocellata (Günther, 1858) for the state of Maranhão and for coastal ecosystems “restinga environments” in Brazil. This note also expands the known geographic distribution of this species by approximately 895 km to the north from the closest record located in the Parque Estadual do Jalapão (10°32′59″ S, 46°45′38″ W), state of Tocantins, contributing to the knowledge of the anurofauna in the state of Maranhão.


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