A new species of alcyonacean octocoral from the Peruvian zoogeographic region

2014 ◽  
Vol 94 (3) ◽  
pp. 493-498 ◽  
Author(s):  
Odalisca Breedy ◽  
Hector M. Guzman
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
Species Richness ◽  
New Species ◽  
Light Microscopy ◽  
First Record ◽  
Shallow Waters ◽  
Morphological Studies ◽  
A New Species ◽  
Scanning Electron

The first record of the plexaurid genus Psammogorgia from the shallow waters of Peru is reported here. A new species (Psammogorgia hookeri sp. nov.) is described from Isla San Gallán, Paracas National Reserve. The new species was morphologically analysed using light microscopy and scanning electron microscopy. It is distinguished from the others in the genus by its small size; prominent calyces with wide lips around polyp apertures and without a special type of sclerites, but with a concentration of irregular, thorny spindles and wart-clubs around the calyx rim; coenenchymal sclerites that do not reach more than 0.2 mm long; the occurrence of conspicuous star-like radiates; and the colour of the colony and coenenchymal sclerites, which is coral red. The results increase species richness within a genus that has not been studied for more than a century, and contribute to the establishment of characters for further morphological studies. Additionally, the new species adds value to existing protected areas and to the octocoral biodiversity records for the Peruvian region and the eastern Pacific.

A new species of Acanthella Schmidt, 1862 (Porifera, Demospongiae, Dictyonellidae) from northeast region, Brazil

Zootaxa ◽  
2019 ◽  
Vol 4555 (2) ◽  
pp. 291
Author(s):  
ELIELTON NASCIMENTO ◽  
THAYNÃ CAVALCANTI ◽  
ULISSES PINHEIRO
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Light Microscopy ◽  
Valid Species ◽  
Taxonomic Identification ◽  
Herbaceous Species ◽  
Northeast Region ◽  
A New Species ◽  
Scanning Electron

Acanthella Schmidt, 1862 species are characterized by choanosomal skeleton of dendritic tracts cored by interwoven sinuously bent strongyles or strongyloxeas and echinated by straight styles, oxeas or anisoxeas (Van Soest et al. 2002). The genus Acanthella comprises 33 valid species, with six known from the Atlantic Ocean (Van Soest et al. 2018). Previously, the only record for Brazil was A. flagelliformis (Van Soest & Stentoft, 1988) (Muricy 2018). Species of the genus include a transition from shrub like ‘Axinellas’ and herbaceous species similar to the genus Suberites Nardo, 1833 (Schmidt 1862; Vosmaer 1912). Due to its heterogeneous complex of species, Acanthella has been confused with other axinellids. Similarities were seen in genera such as Phakellia (Van Soest et al. 2002), which shares spicule complement and comparable choanosomal skeletons. In the present study, we describe a new species of Acanthella from oceanographic expeditions of the northeast region of Brazil. Two specimens of Acanthella sp. nov. were collected by dredging at Ceará and Pernambuco State, Brazil. All specimens were preserved in 92% ethanol and deposited in the Porifera Collections at the Universidade Federal de Pernambuco (UFPEPOR). The taxonomic identification was carried out through analysis of spicules morphologies, using Light Microscopy (LM) and Scanning Electron Microscopy (SEM), following methods described by Hajdu et al. (2011). 

Ranunculus solhanensis (Ranunculaceae), a new species from eastern Turkey

Phytotaxa ◽  
2021 ◽  
Vol 497 (2) ◽  
pp. 157-164
Author(s):  
ALİ SİNAN ◽  
LÜTFİ BEHÇET ◽  
YAKUP YAPAR
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Light Microscopy ◽  
Conservation Status ◽  
Eastern Anatolia ◽  
Ecological Data ◽  
East Anatolia ◽  
A New Species ◽  
Scanning Electron

Ranunculus solhanensis sp. nov. (Ranunculaceae) is described from Bingöl province (Eastern Anatolia) in Turkey. It is related to R. bulbilliferus and R. munzurensis also distributed in east Anatolia. The new species is easily distinguished from its relatives by morphological features of stem, corolla, stamen and achenes. Achenes and pollen characteristics have been assessed by light microscopy and scanning electron microscopy. Distribution, ecological data and IUCN conservation status of the new species are also provided.

Nitzschia papillosa (Bacillariaceae, Bacillariophyta): a new species from a Brazilian salt marsh

Phytotaxa ◽  
2016 ◽  
Vol 247 (1) ◽  
pp. 75 ◽  
Author(s):  
Lucielle Merlym Bertolli ◽  
Dávia Marciana Talgatti ◽  
Lezilda Carvalho Torgan
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Salt Marsh ◽  
First Record ◽  
Southern Brazil ◽  
Rio Grande Do Sul ◽  
Patos Lagoon ◽  
A New Species ◽  
Scanning Electron

A new species of the genus Nitzschia was found in epiphyton and microphytobenthos at the Patos Lagoon salt marsh (Rio Grande do Sul State, southern Brazil). Nitzschia papillosa sp. nov. was described under light and scanning electron microscopy and compared with other species from the section Lanceolatae. The species presents features shared by several species of the genus such as a linear-lanceolate outline, cuneate ends and irregularly distributed fibulae. The distinguishable feature is a row of dots on the margin opposite to the fibulae. In scanning electron microscopy, these structures appear as silica excrescences, little rounded or squared, which we refer as papillae, situated at the transapical costae in the internal valve face. This is the first record of this kind of ornamentation in Nitzschia species.

Portanini (Insecta, Hemiptera, Cicadellidae): morphology of female terminalia, first record of host plants, a new species of Portanus from Brazil, and taxonomic notes

Zootaxa ◽  
2020 ◽  
Vol 4802 (3) ◽  
pp. 569-581
Author(s):  
MÁRCIO FELIX ◽  
VICTOR QUINTAS ◽  
JÁDILA SANTOS PRANDO ◽  
GABRIEL MEJDALANI
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Host Plants ◽  
First Record ◽  
Minas Gerais ◽  
Junior Synonym ◽  
Sem Images ◽  
A New Species ◽  
Scanning Electron

Portanus adenomari sp. nov. from the Brazilian states of Minas Gerais, Paraná, and Maranhão is described and illustrated. It can be easily distinguished by the aedeagus with a pair of apical, slender curved processes, crossing each other medially. The previously unknown females of Portanus restingalis Felix & Mejdalani, 2016 and Metacephalus facetus (Kramer, 1961), as well as the female terminalia of Metacephalus sakakibarai Souza, Takiya & Felix, 2017, are also described in detail. Scanning electron microscopy (SEM) images of the ovipositor valvulae of P. restingalis are given. Comparative notes on the morphology of the female terminalia in the tribe Portanini are provided. Specimens of P. restingalis were observed feeding and resting on Bromeliaceae leaves; this is the first record of host plants for the Portanini. Metacephalus marica (Felix & Mejdalani, 2016) is regarded as a junior synonym of Metacephalus longicornis (Osborn, 1923). 

Another New Thai Argyreia Species (Convolvulaceae)

Phytotaxa ◽  
2015 ◽  
Vol 204 (3) ◽  
pp. 223 ◽  
Author(s):  
GEORGE W. STAPLES ◽  
Paweena Traiperm ◽  
JANENY CHOW
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Light Microscopy ◽  
Leaf Surface ◽  
Microscopic Features ◽  
A New Species ◽  
Scanning Electron

A new species of Argyreia (Convolvulaceae) from Thailand is described and illustrated: A. albiflora. The morphological distinctions of this new species and its relationships with allied species are discussed. Micromorphological evidence is presented using scanning electron microscopy (SEM) and light microscopy (LM) demonstrating that microscopic features of the upper leaf surface are useful in separating species that are similar on a macromorphological level.

A new species of Aspiculuris Schulz, 1924 (Nematoda, Heteroxynematidae) from the gray-sided vole, Clethrionomys rufocanus (Rodentia, Cricetidae), from Tianjin, China

2012 ◽  
Vol 57 (3) ◽  
Author(s):  
Baochen Liu ◽  
Yanzhen Bu ◽  
Luping Zhang
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Light Microscopy ◽  
Clethrionomys Rufocanus ◽  
A New Species ◽  
Scanning Electron

AbstractAspiculuris tianjinensis sp. nov. recovered from the intestine of Clethrionomys rufocanus from Tianjin, China is described and illustrated using light microscopy and scanning electron microscopy. The new species differs from congeners in the shape of the cervical alae, and the number and arrangement of caudal papillae.

scholarly journals A new species of Aplectana (Nematoda: Cosmocercidae) parasite of Pleurodema nebulosum (Anura: Leptodactylidae) from the Monte desert, Argentina, with a key to Neotropical species of the genus Aplectana

Zootaxa ◽  
2017 ◽  
Vol 4247 (2) ◽  
pp. 121 ◽  
Author(s):  
MAURICIO D. PIÑEIRO GOMEZ ◽  
CYNTHYA E. GONZÁLEZ ◽  
EDUARDO A. SANABRIA
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Light Microscopy ◽  
Caudal Region ◽  
Monte Desert ◽  
Neotropical Species ◽  
A New Species ◽  
Scanning Electron ◽  
Shape And Size

Here we describe a new cosmocercid nematode, Aplectana nebulosa sp. nov., from the small and large intestines of Pleurodema nebulosum (Anura: Leptodactylidae), from the Monte desert of San Juan, Argentina. The new species belongs to the Aplectana group that possesses a gubernaculum and unpaired adcloacal papilla anteriorly to cloaca. It resembles A. membranosa, A. paraelenae and A. travassosi by the presence of four adcloacal papillae, but differs from those species by the following characters: number and arrangement of precloacal papillae; number and arrangement of postcloacal papillae; shape and size of spicules and gubernaculum, and by the presence of lateral alae in caudal region of males. The description of the new species is based on light microscopy and scanning electron microscopy (SEM) and we also provide a key to Neotropical species of Aplectana. 

A new species of Cribraria (Myxomycetes) from Australia

2018 ◽  
Vol 52 (2) ◽  
pp. 379-385 ◽  
Author(s):  
S. L. Stephenson ◽  
Yu. K. Novozhilov ◽  
P. Wellman
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Lemon Yellow ◽  
Moist Chamber ◽  
Light Yellow ◽  
Dark Violet ◽  
The Stability ◽  
A New Species ◽  
Scanning Electron

A new species of Cribraria, described herein as C. bicolor, appeared in moist chamber cultures on samples of the bark of Eucalyptus sp. collected at two localities in Australia. The morphology of representative specimens was examined by light and scanning electron microscopy, and micrographs of relevant morphological details of sporocarps and spores are provided. The species has a number of distinct and unique morphological features, including a glossy bright-violet globose sporotheca and a two-colored long stalk which is bright-red over the lower one-third and light yellow or lemon-yellow over the upper two-thirds. The combination of these characteristics as well as a shallow calyculus which is dark-violet when viewed under a dissecting microscope and bright red in transmitted light when mounted in lactophenol makes C. bicolor a well-defined morphospecies when compared to all other species of Cribraria. The stability of the taxonomic characters of the species was confirmed by an examination of a number of specimens.

Encyonema oblonga (Bacillariophyta, Cymbellaceae), a new species from Shanxi Province, China

Phytotaxa ◽  
2021 ◽  
Vol 480 (3) ◽  
pp. 284-290
Author(s):  
QI LIU ◽  
JIAJIA LI ◽  
QUANXI WANG ◽  
JOHN PATRICK KOCIOLEK Patrick Kociolek ◽  
Shulian Xie
Keyword(s):  
Electron Microscopy ◽  
Scanning Electron Microscopy ◽  
New Species ◽  
Shanxi Province ◽  
Diatom Flora ◽  
A New Species ◽  
Scanning Electron ◽  
Freshwater Diatom

A new species, Encyonema oblonga Liu & Xie, is collected during a survey of the freshwater diatom flora of Manghe River, Shanxi, China. The valves of this new species are oblong with rounded apices and have the features typical of Encyonema, including complex areolae. We compare the new species with the most similar taxa, E. leei, E. leei var. sinensis and E. appalachianum and consider that  E. leei var. sinensis is the valid name.  The morphology of E. oblonga is documented with light and scanning electron microscopy.

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