scholarly journals Sigambra sundarbanensis sp. nov. (Annelida, Pilargidae) from the Indian sector of Sundarbans Estuarine System, with remarks on parapodial glands

2021 ◽  
Vol 744 ◽  
pp. 49-66
Author(s):  
Moumita Bhowmik ◽  
Priya Ghoshal ◽  
Sergio I. Salazar-Vallejo ◽  
Sumit Mandal
Keyword(s):  
New Species ◽  
Estuarine System ◽  
Morphological Variations ◽  
Starting Position ◽  
Indian Sector ◽  
The Sundarbans

A new pilargid species, Sigambra sundarbanensis sp. nov., is described from the rivers Matla and Thakuran, in the central Indian sector of the Sundarbans Estuarine System. This species is characterized by several characters such as the starting position of the notopodial hooks, the length of the median antenna and the variation in number of the neuropodial chaetae. These characters distinguish the new species from its congeners. Some parapodial glands have been found in individuals of this species. The new species closely resembles Sigambra parva (Day, 1963). Additionally, an updated key of genus Sigambra is provided, along with a table indicating their morphological variations and a global map showing their type localities.

scholarly journals Nutrient dynamics in the Sundarbans mangrove estuarine system of Bangladesh under different weather and tidal cycles

2013 ◽  
Vol 2 (1) ◽  
Author(s):  
Shak Md Bazlur Rahaman ◽  
Lipton Sarder ◽  
Md Sayadur Rahaman ◽  
Alokesh Kumar Ghosh ◽  
Sudhin Kumar Biswas ◽  
...  
Keyword(s):  
Nutrient Dynamics ◽  
Estuarine System ◽  
Tidal Cycles ◽  
Sundarbans Mangrove ◽  
The Sundarbans

A new species of Odontepyris (Hymenoptera: Bethylidae: Bethylinae) from East Asia

2021 ◽  
Vol 23 (1) ◽  
pp. 9-16
Author(s):  
RYUDAI ITO ◽  
TOSHIHARU MITA
Keyword(s):  
New Species ◽  
South Korea ◽  
East Asia ◽  
Key Words ◽  
Wing Venation ◽  
Palaearctic Species ◽  
Key To Species ◽  
Morphological Variations ◽  
Median Area ◽  
A New Species

Odontepyris costatus sp. nov. is described from Japan and Taiwan. This new species is most similar to O. formosicola Terayama, 1997 known from Cambodia and Taiwan according to the key to the Eastern Palaearctic Odontepyris. O. costatus sp. nov. can be distinguished from the latter by the relatively small eye and the wide metapectal-propodeal disc. It is also similar to O. telortis Lim & Lee, 2009 known from South Korea, but it is distinguished from O. telortis by the imbricate median area of metapostnotum. The morphological variations and diagnostic characters of the Eastern Palaearctic species are briefly discussed and the modified key to species is provided. Key words: new species, Japan, Taiwan, wing venation

New records and two new species of Xiphocentron Brauer 1870 (Trichoptera, Xiphocentronidae) from southern Atlantic Forest, Brazil

Zootaxa ◽  
2020 ◽  
Vol 4851 (2) ◽  
pp. 386-400
Author(s):  
ALBANE VILARINO ◽  
PITÁGORAS C. BISPO
Keyword(s):  
New Species ◽  
South America ◽  
Atlantic Forest ◽  
Male Genitalia ◽  
New Records ◽  
Ventral Margin ◽  
Diagnostic Characters ◽  
Morphological Variations ◽  
Two New Species

Xiphocentron is the most species-rich genus of the pantropical family Xiphocentronidae. Among its five subgenera, Antillotrichia is the most diverse and the only one to occur in South America and Antilles. In the present study, two new species of Xiphocentron (Antillotrichia) are described from southern Atlantic Forest, Brazil. Xiphocentron gwarakeraba sp. nov. is diagnosed by the very elongate inferior appendage not bearing spines and with a simple mesal sclerite; X. muelleri sp. nov. is diagnosed by the inferior appendage with its ventral margin produced posterad and distinctly truncate. New distributional records are provided for X. acqualume, X. jaguare, X. kamakan, and X. maracanan. Additional non-genital diagnostic characters are presented for X. jaguare, and intraspecific morphological variations of forewing fork II (R3 and R4) and male genitalia are described for X. maracanan. 

Ancistrosyllis matlaensis n. sp. (Polychaeta: Pilargidae) from the Sundarban Estuarine System, India

Zootaxa ◽  
2018 ◽  
Vol 4531 (3) ◽  
pp. 419
Author(s):  
SUMIT MANDAL ◽  
SOUMYA DEB
Keyword(s):  
New Species ◽  
Estuarine System ◽  
A New Species

A new species of family Pilargidae, Ancistrosyllis matlaensis n. sp. is described from the Sundarban Estuarine System, India. The new species can be distinguished from its congeners by a combination of characters: absence of median antenna and eyes, shape of tentacular and dorsal cirri, structure of notopodia and neuropodia, and first appearance of notopodial hooks. The new species closely resembles Ancistrosyllis falcata.  

The hornless rhinoceros (Rhinoceros sondaicus inermis Lesson, 1836) discovered by Lamare-Picquot in the Sundarbans of Bangladesh in 1828, with notes on the history of his Asian collections

Mammalia ◽  
2019 ◽  
Vol 84 (1) ◽  
pp. 74-89 ◽  
Author(s):  
Kees Rookmaaker
Keyword(s):  
New Species ◽  
Natural History ◽  
Main Part ◽  
Type Specimens ◽  
History Museum ◽  
Georges Cuvier ◽  
History Of ◽  
The Ganges ◽  
A New Species ◽  
The Sundarbans

Abstract The French pharmacist and explorer Christoph-Augustin Lamare-Picquot (1785–1873) was in South Asia during 1826–1829 to collect ethnographical, anthropological, zoological and botanical specimens. He made an excursion to the Sundarbans (the Ganges-Brahmaputra delta) of Bangladesh, where on 17 November 1828 his team shot a female rhinoceros and caught her young one the next day, just south of Khulna. Both animals were completely hornless. He returned to France in the spring of 1830, where his zoological specimens were assessed by Georges Cuvier, and his other collections relating to ethnography by other scholars. All recommended purchase by the French Government, but circumstances did not allow this. A few animals were described by scientists connected with the Natural History Museum in Paris. After Lamare-Picquot published an account of the hunting expedition in 1835, the rhinoceros was described as a new species Rhinoceros inermis, by René-Primivère Lesson, first in a supplement to Buffon dated 1836, and not, as accepted until now, in restatements dating from 1838 or later. The main part of the zoological collection was bought by the Prussian King Friedrich Wilhelm III in 1836 and integrated in museums in Berlin. Other collections were exhibited as a “Panthéon Indien” in Vienna and Bratislava from 1838, until they were purchased by the Bavarian King Ludwig in 1841, and added to a museum in Munich. The type specimens of R. inermis are still preserved in the Museum für Naturkunde in Berlin. The adult female (ZMB_Mam_1957) was selected as the lectotype.

Manumiella seymourensis new species, a stratigraphically significant dinoflagellate cyst from the Maastrichtian of Seymour Island, Antarctica

1999 ◽  
Vol 73 (3) ◽  
pp. 373-379 ◽  
Author(s):  
Rosemary A. Askin
Keyword(s):  
New Species ◽  
Shallow Marine ◽  
Dinoflagellate Cyst ◽  
Morphological Variations ◽  
Palynological Assemblages ◽  
Lower Maastrichtian ◽  
Superficial Similarity ◽  
Almost All ◽  
Shallow Marine Sediments ◽  
Seymour Island

The peridiniacean dinoflagellate cyst Manumiella seymourensis new species described herein characterizes Maastrichtian shallow marine sediments cropping out on Seymour Island, northeastern Antarctic Peninsula. It dominates palynological assemblages throughout the lower Maastrichtian (and possibly uppermost Campanian) to lower upper Maastrichtian part of the López de Bertodano Formation. Despite its superficial similarity to some other southern mid to high paleolatitude Campanian-Maastrichtian species, M. seymourensis represents a discrete, biostratigraphically useful population of peridiniacean cysts. Its morphology and size parameters remain consistent throughout almost all of its stratigraphic range, equated with relatively stable environmental conditions throughout much of the Maastrichtian in the James Ross Basin. Morphological variations, equated with environmental change, are apparent in specimens in the lowermost and uppermost parts of its range.

Ten new species of Amphidraus Simon, 1900 (Araneae: Salticidae: Euophryini) and three new combinations

Zootaxa ◽  
2017 ◽  
Vol 4312 (3) ◽  
pp. 401
Author(s):  
ALEXANDRE SALGADO ◽  
GUSTAVO R.S. RUIZ
Keyword(s):  
New Species ◽  
New Records ◽  
New Combinations ◽  
Morphological Variations ◽  
New Diagnosis

Ten new species of Amphidraus Simon, 1900 from Brazil are described: A. belzonte sp. nov. (♂), A. bifidus sp. nov. (♂♀), A. caxiuanan sp. nov. (♂), A. draconicaudatus sp. nov. (♂♀), A. janauari sp. nov. (♂), A. loxodontillus sp. nov. (♂), A. mysticetus sp. nov. (♂♀), A. nigrigenu sp. nov. (♂), A. pulvinus sp. nov. (♂) and A. simplex sp. nov. (♂♀). A new diagnosis is proposed for the genus and three new combinations are established for species presently misplaced in Amphidraus: Titanattus parvus (Mello-Leitão, 1945) comb. nov., Truncattus manni (Bryant, 1943) comb. nov. and Truncattus mendicus (Bryant, 1943) comb. nov. Several new records for A. santanae Galiano, 1967 are provided, enabling brief comments on the morphological variations in this species. 

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