scholarly journals New records of Oleoguttula mirabilis and Rachicladosporium antarcticum from James Ross Island, Antarctica

2020 ◽  
Vol 10 (2) ◽  
pp. 226-235
Author(s):  
Monika Laichmanová

A group of seven isolates of black meristematic fungi was collected from rocks within the framework of mycological research focused on the study of diversity of rock-inhabiting fungi on James Ross Island in Antarctica. Their identification was based on ITS rDNA sequence comparisons supported by morphological data. Obtained results assigned four analysed strains as Oleoguttula mirabilis and three isolates as Rachicladosporium antarcticum. To the best of our knowledge this is the second report of isolation of these two psychrophilic species from different parts of James Ross Island which imply that they probably represent a common part of its environmental microbial flora.

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Edoardo Massa ◽  
Roberto Guidetti ◽  
Michele Cesari ◽  
Lorena Rebecchi ◽  
K. Ingemar Jönsson

AbstractKristianstads Vattenrike Biosphere Reserve [KVBR] is a UNESCO designated area of Sweden possessing high biological value. Although several studies on tardigrades inhabiting Sweden have been performed, the KVBR area has been neglected. The current study investigates the tardigrade fauna of five areas of the biosphere reserve and includes 34 samples of different substrates analysed quantitatively and qualitatively. In total, 33 species of tardigrades were found in the samples, including 22 new records for the Skåne region, 15 new records for Sweden, and four species new to science. Mesobiotus emiliae sp. nov., Xerobiotus gretae sp. nov., Itaquascon magnussoni sp. nov., and Thulinius gustavi sp. nov. were described with an integrative approach (when possible) using morphological characters (light, electron scanning, and confocal laser scanning microscopies) and molecular markers (ITS2, 18S, 28S, cox1). A new protocol to increase morphological data was developed recovering mounted specimens within old slides for SEM analysis. Emended diagnoses for the genus Itaquascon and the transfer of Platicrista itaquasconoide to the genus Meplitumen are proposed. This study enriches the knowledge of the tardigrade biodiversity both within the KVBR and in Sweden and contributes to the rapidly increasing number of tardigrade species reported worldwide. The 33 species identified in the KVBR area represents 28% of all water bear species found in Sweden so far. The restricted study areas and limited number of samples collected suggests that the KVBR is very rich of tardigrades.


2017 ◽  
Vol 14 (1) ◽  
pp. 85-98
Author(s):  
Baghdad Science Journal

The present work included qualitative study of epiphytic algae on dead and living stems, leaves of the aquatic plant Phragmitesaustralis Trin ex Stand, in Tigris River in AL- Jadria Site in Baghdad during Autumn 2014, Winter 2015, Spring 2015, and Summer 2015. The physical and chemical parameters of River’s water were studied (water temperature, pH, electric conductivity, Salinity, TSS, TDS, turbidity, light intensity, dissolve oxygen, BOD5, alkalinity, total hardness, calcium, magnesium and plant nutrient). A total of 142 isolates of epiphytic algae were identified. Diatoms were dominant by 117 isolates followed by Cyanobacteria (13isolates), Chlorophyta (11 isolates) and Rhodophyta (1 isolate), Variations in the isolates number were recorded on different parts of macrophyte host as well as, indifferent seasons. Eight new algal isolates (Achnanthesexigue var. heterovalvata Krasske, Navicula exilissima Grunow, Navicula falaisiensis var lanceola Grunow, Navicula microcephalo Grunow, Pleurosigma obscurum W. Smith, Stauroneis amphioxys var. amphioxys Gregory, Stenopterobia intermedia Lewis and Audouinella hermannii Roth).were identified as new records.


2021 ◽  
Vol 17 (1) ◽  
pp. 81-91
Author(s):  
Lytvynenko Yu.I. ◽  
Romanova D.A. ◽  
Orlova-Hudіm K.S. ◽  
Hudіm A.O. ◽  
Vakal A.P.

As a result of mycological research 34 species of coprophilous ascomycetes from 14 genera, 10 families, and 5 orders were recorded on the territory of the Oleshkivski Pisky National Nature Park. Among them 15 species belonged to the class Sordariomycetes, 12 – to Dothideomycetes, and 7 – to Pezizomycetes. Among the orders of the fungi, Sordariales – 12 species, Pleosporales – 11, and Pezizales – 7, occupy the leading position; the rest of the orders revealed the fewer number of species. Among the families, Sporormiaceae, Podosporaceae, Coniochaetaceae, Delitschiaceae, and Sordariacea, were the most abundant regarding the number of species and specimens. The species from the five leading families represent 64,7% of the total number of identified species. Among the found genera of the coprophilous ascomycetes, Coniochaeta, Delitschia, Sordaria, Sporormiella, and Triangularia prevailed by number of species, demonstrating much larger diversity, than others. Environmental conditions inside the park are more favorable for the development of loculoascomycetes and pyrenomycetes. The discomycetes species diversity was much less. The list of recorded fungi and their substrates is presented. All species of ascomycetes were collected on the hare and cattle excrements. Other dung types have not been studied. 31 species are new to the territory of the park, 15 species are new records for the steppe zone of Ukraine. Coniochaeta hansenii and Sporormiella tetramera are first recorded in Ukraine. Descriptions, illustrations, synonyms and general distribution are provided for them. C. hansenii is a fairly common and widespread species in the world, occurring mainly on the leporid droppings. In the park, this species was also collected on hare dung. S. tetramera also belongs to the widespread but rare species of coprophilous ascomycetes, known from isolated records in a few countries. It was collected on the hare excrements in the park. Сoniochaeta leucoplaca, Delitshia perpusilla and Triangularia comata were collected for the first time in the steppe zone of Ukraine and for the second time in the country. У результаті дослідження копрофільних аскоміцетів Національного природного парку «Олешківські піски» було виявлено 34 види грибів із 14 родів, 10 родини та 5 порядків. Це представники трьох класів: Sordariomycetes – 15 видів, Dothideomycetes – 12, Pezizomycetes – 7. Серед порядків найчисельнішими є Sordariales – 12 видів, Pleosporales – 11 та Pezizales – 7. У родинному спектрі грибів переважають представники Sporormiaceae, Podosporaceae, Coniochaetaceae, Delitschiaceae та Sordariacea, які об’єднують 64,7% загальної кількості виявлених видів аскоміцетів. Серед родів переважають Coniochaeta, Delitschia, Sordaria, Sporormiella та Triangularia. Екологічні умови території парку є більш сприятливими для розвитку локулоаскоміцетів і піреноміцетів. Кількість знахідок видів дискоміцетів є незначною. Представлено список зареєстрованих видів грибів, для кожного виду вказано локалітети та живильні субстрати. Всі види грибів зібрані на посліді зайця та корови. Інші типи копром не досліджувались. З виявлених видів аскоміцетів 31 наводиться вперше для території парку, 15 є новими для степової зони України. Два види аскоміцетів є новими для мікобіоти України та Східної Європи: Coniochaeta hansenii та Sporormiella tetramera. У статті представлено їх діагнози та фото, обговорюються деталі морфології, субстратної приуроченості та поширення у світі. C. hansenii є досить звичайним та поширеним у світі видом, що переважно трапляється на екскрементах зайцеподібних.На території парку також була зібрана на копромах зайця. S. tetramera належить до поширених у світі, але рідкісних видів копрофільних аскоміцетів, відомих з поодиноких знахідок у небагатьох країнах. У парку зібрана на посліді зайця. Знахідки Сoniochaeta leucoplaca, Delitshia perpusilla та Triangularia comata є новими для території степової зони України та вдруге наводяться для нашої держави.


Zootaxa ◽  
2012 ◽  
Vol 3170 (1) ◽  
pp. 31 ◽  
Author(s):  
JULIANA BAHIA ◽  
VINICIUS PADULA ◽  
MARLON DELGADO

In Brazil, 66 flatworm species of the order Polycladida are known, most of which collected from the southeastern Braziliancoast. The present study includes morphological descriptions of five species from Rio Grande do Norte State, BrazilianNortheastern coast: Enchiridium evelinae, Phrikoceros mopsus, Pseudobiceros evelinae, Thysanozoon brocchii and Hop-loplana divae. These findings represent the first record of Polycladida for this region of Brazil. Also, for the first timeEnchiridium evelinae, Pseudobiceros evelinae and Hoploplana divae are illustrated with color photographs of live spec-imens and histological details. Association with compound ascidians and encrusting bryozoan were observed and com-mented. Our data suggest that knowledge about Brazilian polyclads is underestimated and emphasizes the necessity of further studies to better understand the Polycladida biodiversity in Brazil.


Zootaxa ◽  
2019 ◽  
Vol 4563 (1) ◽  
pp. 191
Author(s):  
ROCÍO A. GONZÁLEZ-VAQUERO ◽  
ARTURO ROIG-ALSINA

Ruizanthedella mutabilis (Spinola) is a very abundant species in Chile and the northwest of Argentinean Patagonia. In this contribution, Halictus nigrocaeruleus Spinola 1851 is established as a junior synonym of R. mutabilis (Spinola 1851), after considering morphological data, DNA barcoding results, and biological observations. The variability in the colouration of the metasoma has been incorrectly used to distinguish these colour forms as valid species. New records enlarge the distribution of the species in Argentina, from the Andes to the Atlantic coast. 


1940 ◽  
Vol 40 ◽  
pp. 40-41
Author(s):  
R. W. Hutchinson

The pottery from the Post-Minoan strata on the ‘Temple Field’ (area χ) falls into three principal groups, (i) Geometric, (ii) Archaic, and (iii) Hellenistic. For the plan of the site, see BSA VIII, pl. xv.Three geometric cups are reported from Ξ 14, and Professor Bosanquet records fragments of no fewer than forty lamps and twelve torch-holders scattered over different parts of the ‘Temple Field.’ One geometric cup (BSA X, 320, fig. 20), discovered in the road E, was associated with a group of seven jugs in a fine fabric, but with a poor dark grey slip (Plate 16, No. 2: CM 4615). The early date assigned to these cups, because of their position, I believe to be erroneous, and I do not think they are earlier than the Hellenistic period.


2014 ◽  
Vol 2014 ◽  
pp. 1-11 ◽  
Author(s):  
Kalyan Halder ◽  
Piyali Sinha

The cerithioids are a diverse group of gastropods found globally as fossil and living animals during the Cenozoic Era. Their systematics is riddled with problems stemming from large morphological variability, homoplasy, and wide geographical distribution. Six cerithioid species are described here from the lower Middle Eocene of Kutch, Gujarat, western India. All but two are new species. They are Palmerella kutchensis, Tenagodus? sowerbyi, Potamides archiaci, and Cerithium harudiensis. The rest are new records from Kutch and were known only from Pakistan. A palaeobiogeographical review based on major published records of benthic molluscs from Pakistan reveals strong endemism. The cerithioid faunas from different parts of Pakistan and this report from Kutch also show strong endemism and often quite localized development. It is argued here that unhindered faunal mixing was not possible in this province since these newly evolved basins were restricted in nature in their Lower Cenozoic history.


Mammalia ◽  
2016 ◽  
Vol 80 (2) ◽  
Author(s):  
Dayse Dias ◽  
Carlos Fonseca ◽  
Jorge José Cherem ◽  
Maurício Eduardo Graipel ◽  
Alexandre Uarth Christoff ◽  
...  

AbstractThe small didelphid marsupial


2017 ◽  
Vol 74 (1) ◽  
pp. 057 ◽  
Author(s):  
Carmen Benítez-Benítez ◽  
Mónica Míguez ◽  
Pedro Jiménez-Mejías ◽  
Santiago Martín-Bravo

Carex sylvatica subsp. paui is a poorly studied taxon considered endemic from a few places in the western Mediterranean. It has been frequently misidentified as C. sylvatica subsp. sylvatica. To date, it has been reported only from the NE Iberian Peninsula and the NW Africa. We use molecular —nuclear ribosomal and plastid sequences— and morphological data to shed light on the taxonomic circumscription and distribution of this taxon, especially regarding its distinction from the type subspecies. The genetic data support the recognition of C. sylvatica subsp. paui as an independent taxon, and confirm new records from the Balearic and Tuscan archipelagos. It implies a considerable increase in its range and a new taxon for the Italian flora. Strikingly, the morphometric analyses revealed that the Sicilian type specimen ofC. laxula identifies this species with C. sylvatica subsp. paui. We consider that the taxon should be ranked at the species level. Based on the priority of the name C. laxula over C. paui, we subsume C. sylvatica subsp. paui in C. laxula. We also provide notes on the ecology of the species.


2021 ◽  
Vol 9 ◽  
Author(s):  
Sengvilay Lorphengsy ◽  
Tan Nguyen ◽  
Nikolay Poyarkov ◽  
Yun-He Wu ◽  
Parinya Pawangkhanant ◽  
...  

The bushfrog genus Gracixalus Delorme, Dubois, Grosjean & Ohler, 2005 is found in southern and south-western China, Vietnam, Laos, Thailand and Myanmar. It is presently comprised of 17 species. In Thailand, only two species have been recorded, namely G. carinensis (Boulenger) and G. seesom (Massui, Khonsue, Panha & Eto). The latter of these two species is currently known to be endemic to the country. Based on recent field work conducted in 2019 in Doi Phu Kha National Park, Nan Province of northern Thailand, we are reporting two new records of the genus Gracixalus, G. quangi and G. yunnanensis, from Thailand, based on morphological and molecular evidence. In addition, this is the first study to report on the identification of a female specimen of G. yunnanensis. Furthermore, morphological data and natural history notes of the aforementioned species in Thailand have been provided, along with updated locations for the distribution of both species.


Sign in / Sign up

Export Citation Format

Share Document