Notes on a new marine peritrichous ciliate (Ciliophora: Peritrichida), Zoothamnium xuianum n. sp., with redescription of Z. paraentzii Song, 1991 from northern China

Zootaxa ◽  
2005 ◽  
Vol 1075 (1) ◽  
pp. 41 ◽  
Author(s):  
PING SUN ◽  
DAODE JI ◽  
WEIBO SONG

The morphology, infraciliature and silverline system of two marine peritrichous ciliates, Zoothamnium xuianum n. sp. and Z. paraentzii Song, 1991, collected from a shrimp-hatching plant in northern China, were investigated using both in vivo and silver impregnation methods. The new species is recognized by the following characters: colony alternatively branched, zooids in vivo about 45 × 30 μm with single-layered peristomial lip; contractile vacuole apically located; macronucleus band-like and transversely positioned; more than 50 striations from peristomial area to aboral trochal band, about 14 from aboral trochal band to scopula; three equally long kineties in peniculus 3 parallel to each other. Based on both the Qingdao population and the original description, an improved diagnosis for Z. paraentzii is suggested: marine Zoothamnium with irregularly dichotomously branched stalk; zooid 50–80 × 25–45 μm in vivo with single-layered peristomial lip; contractile vacuole apically positioned; macronucleus C-shaped, transversely orientated; number of silverlines between anterior end and aboral trochal band about 75–83, between aboral trochal band and scopula, 28–33; inner row of peniculus 3 displaced from the other two and converges with peniculus 1 at aboral end.

Zootaxa ◽  
2008 ◽  
Vol 1687 (1) ◽  
pp. 35 ◽  
Author(s):  
HONGAN LONG ◽  
WEIBO SONG ◽  
KHALED A. S. AL-RASHEID ◽  
YANGANG WANG ◽  
ZHENZHEN YI ◽  
...  

The morphology and infraciliature of three marine ciliates, Frontonia didieri n. sp., F. multinucleata n. sp. and F. tchibisovae, isolated from northern China seas, were investigated using living observation and silver impregnation methods. Frontonia didieri n. sp. is recognized by: in vivo ca. 100–150 × 45–80 µm; 61–71 somatic, 3 vestibular and 3–5 postoral kineties; 4-rowed peniculus 1 and 2; peniculus 3 three-rowed; contractile vacuole centrally-located, with about eight conspicuous collecting canals. Frontonia multinucleata n. sp. is characterized by: 70–120 × 40–75 µm in vivo, dorsoventrally flattened about 2:1; 58–67 somatic, 3 vestibular and 4–5 postoral kineties; 3 peniculi each with 4 kineties; 2–4 globular macronuclear nodules; contractile vacuole located in posterior 1/3 of cell length. Based on both original and the Qingdao population, the poorly-defined Frontonia tchibisovae is redefined and a new diagnosis is supplied.


Zootaxa ◽  
2008 ◽  
Vol 1939 (1) ◽  
pp. 51-57 ◽  
Author(s):  
JUN GONG ◽  
WEIBO SONG

The morphology and infraciliature of a new oligohymenophorean ciliate, Cinetochilum ovale n. sp., isolated from the littoral sediment of the Bohai Sea, northern China, were investigated using live observations and silver impregnations. This new species as follows: size about 20–30 × 15–25 µm in vivo, body oval in outline, with 12–13 bipolar somatic kineties; scutica consisting of two short rows of kinetosomes, positioned near the end of somatic kinety 1; the anterior-most row of its membranelle 1 is distinctly detached from the remaining two rows; three postoral kinetofragments and a cyrtos-like structure at the deep portion of the buccal cavity always present; one macronucleus and one micronucleus; single contractile vacuole terminally located. A key to all known Cinetochilum species is updated.


Zootaxa ◽  
2011 ◽  
Vol 2804 (1) ◽  
pp. 25 ◽  
Author(s):  
BRYAN L. STUART ◽  
JODI J. L. ROWLEY ◽  
DAO THI ANH TRAN ◽  
DUONG THI THUY LE ◽  
HUY DUC HOANG

We sampled two forms of Leptobrachium in syntopy at the type locality of L. pullum at upper elevations on the Langbian Plateau, southern Vietnam. The two forms differed in morphology (primarily in coloration), mitochondrial DNA, and male advertisement calls. One form closely agrees with the type series of L. pullum (but not to its original description due to error), and the other is described as new. Leptobrachium leucops sp. nov. is distinguished from its congeners by having small body size (males with SVL 38.8–45.2), the upper one-third to one-half of iris white, a blue scleral arc, a dark venter, and sexually active males without spines on the upper lip. Leptobrachium pullum and L. mouhoti, a recently described species from low-elevation slopes of the Langbian Plateau in eastern Cambodia, are morphologically divergent but genetically similar, warranting further investigation into geographic variation in the red-eyed Leptobrachium of southern Indochina.


Zootaxa ◽  
2005 ◽  
Vol 1003 (1) ◽  
pp. 57 ◽  
Author(s):  
HONGAN LONG ◽  
WEIBO SONG ◽  
JUN GONG ◽  
XIAOZHONG HU ◽  
HONGGANG MA ◽  
...  

The morphology, infraciliature and silverline system of a new marine ciliate, Frontonia lynni n. sp., isolated from a sandy beach at Qingdao, China, was investigated using live observation and silver staining methods. The new species is recognized by the combination of the following characters: body about 100–210 x 70–150 µm in vivo, elliptical in outline; dorsoventrally flattened (3:1); one large contractile vacuole equatorially located, right of median; 71–83 somatic kineties and three vestibular kineties; small oral cavity with peniculi 1 and 2 each having four ciliary rows and peniculus 3 possesses five gradually shortened rows.


Zootaxa ◽  
2008 ◽  
Vol 1822 (1) ◽  
pp. 1 ◽  
Author(s):  
JONATHAN W. ARMBRUSTER

Peckoltia contains 12 described species, eight of which are considered valid. Peckoltia arenaria, P. filicaudata, and P. ucayalensis are recognized as synonyms of P. bachi and P. kuhlmanni is recognized as a synonym of P. vittata. In addition, two new species are described. The type species of Peckoltichthys and Sophiancistrus are synonyms of P. bachi and both genera are recognized as junior synonyms of Peckoltia. The species of Peckoltia range throughout much of the Amazon basin, the upper Orinoco, the upper Essequibo, and perhaps the Maroni, and can be identified from most other ancistrins by having dentaries that form angle of 90° or less and from others with angled dentaries by lacking the synapomorphies of those genera. The species of Peckoltia vary from one another mostly in coloration. Peckoltia braueri, P. caenosa n. sp., P. cavatica and P. vittata lack spots on the head while the other species have them. Peckoltia braueri and P. cavatica have orange bands in the dorsal and caudal fins and have the bones and plates of the head and nape outlined in black (vs. no orange bands and head plates and bones not outlined in black in P. caenosa and P. vittata). Peckoltia caenosa has a color pattern consisting of dark vermiculations on the head and abdomen (vs. saddles or blotches on the head and faint dark spots on the abdomen in P. vittata). Among the species with spots on the head, P. lineola n. sp. and P. vermiculata have some of the spots combining to form vermiculations (vs. spots free in P. bachi, P. brevis, P. furcata, and P.oligospila) with the vermiculations larger than the pupil in P. lineola and narrower in P. vermiculata and the vermiculations radiating from a central point in P. vermiculata vs. no such pattern in P. lineola. Peckoltia bachi can be identified from the other species by having widened pelvic-fin spines that can be pulled ventrally such that they are completely ventral and parallel to the body (vs. pelvic-fin spines narrow and cannot be adducted ventral to body) and by having the eye low on the head (vs. high). Peckoltia brevis can be identified from P. furcata and P. oligospila by having well-developed dorsal saddles (vs. saddles faint), no spots on the body behind the nape (vs. spots generally present behind the nape); from P. oligospila by having bands in the caudal fin (vs. spots); and from P. furcata by having the lower caudal-fin spine longer than the upper (vs. upper spine longer). Peckoltia furcata can be identified from P. oligospila by having the upper caudal-fin spine longer than the lower (vs. lower spine longer) and by having bands in the caudal fin (vs. spots). Ancistrus yaravi had been recognized as a species of Peckoltia. The type of A. yaravi is lost, but the original description suggests that the species is the senior synonym of Neblinichthys roraima. A revised morphological phylogeny demonstrates the lack of support for Peckoltia and Hemiancistrus as monophyletic, and phenetic definitions are provided for the two genera. The phylogeny also demonstrates a lack of support of the genus Watawata.


Zootaxa ◽  
2004 ◽  
Vol 505 (1) ◽  
pp. 1 ◽  
Author(s):  
THIAGO D.S. PAIVA ◽  
INÁCIO D.D. SILVA–NETO

We present a morphometric study comparing three Apoamphisiella species from Brazil. A. jurubatiba and A. tihanyiensis from Cabi nas Lagoon (Maca Rio de Janeiro), and A. foissneri sp. n. from Limoeiro River (Al m Para ba Minas Gerais). This new species was approximately 150 x 70 m in vivo, and was characterized by having two postperistomial cirri, two contractile vacuoles, and no cortical granules. In contrast, both A. jurubatiba and A. tihanyiensis had cortical granules and a single contractile vacuole. Furthermore, A. jurubatiba had three posterior frontal cirri and its right marginal cirral row started in the dorsal surface, whereas A. tihanyiensis had two posterior frontal cirri. Moreover, the dorsal ciliature pattern was also different among the three species.


2004 ◽  
Vol 64 (3a) ◽  
pp. 465-478 ◽  
Author(s):  
T. S. Paiva ◽  
I. D. Silva-Neto

We found 34 species of ciliate protists in the samples collected by the margins of Cabiúnas Lagoon during 2001. The ciliates were cultivated in the laboratory, where they were examined in vivo and identified through silver impregnation techniques. A new species, Oxytricha marcili (Ciliophora, Oxytrichidae), was found and characterized as follows: in vivo length about 60-80 mum x 30-40 mum wide; on average 22 adoral membranelles; 18 left marginal cirri; 18 right marginal cirri; and 3 small caudal cirri. All specimens analyzed presented 7 frontal cirri (3 anterior + 4 posterior), 1 buccal cirrus, 4 ventral cirri (3 postoral + 1 pre-transverse), and 5 transverse cirri. Among the species found, some are considered as water quality indicators ranging from alpha-mesosaprobity to polysaprobity and isosaprobity.


Author(s):  
Víctor Hugo Delgado-Blas ◽  
Oscar F. Díaz Díaz ◽  
Ildefonso Liñero-Arana

Two species of Scolelepis were found off the Venezuelan coast, one of these is a new record for this region, and the other is a species new to science: Scolelepis (Scolelepis) lighti Delgado-Blas, 2006, and Scolelepis (S.) andradei sp. nov., respectively. Scolelepis (Scolelepis) lighti was previously known only from the Gulf of Mexico and Florida, but the Venezuelan specimens closely match the original description. Scolelepis (S.) andradei is distinguished by the fusion of the anterior and posterior branchiae to the notopodial lamellae, bidentate notopodial hooded hooks starting from setigers 23–29, and the absence of notopodial hooks.


1946 ◽  
Vol 62 (3) ◽  
pp. 248-265 ◽  
Author(s):  
W. C. Osman Hill

Instudying the literature relating to that little-known prosimian, the Angwántibo—with a view to incorporating the main facts known about it in a comprehensive work on primate anatomy at present in preparation—I had occasion to consult the original description of the species by J. A. Smith (1860). I there discovered that the type was a spirit specimen (an “adult” male) which was received in Edinburgh, along with a second male, from Old Calabar. There is some confusion in the literature as to the fate of these specimens and this should, I think, be cleared up. Both specimens were procured in 1859 by Rev. A. Robb, one being sent, indirectly, to Smith and the other to Andrew Murray. Smith recognized in his specimen something new and accordingly described it as a new species of Potto, placing it in Bennett's genusPerodicticusasP. calabarensis. He gave an assurance of his intention of depositing the type in the Natural History Museum of the University of Edinburgh, but later sent it to his friend Carruthers at the British Museum for comparison with Bennett's type ofPerodicticus potto. Some useful observations were made upon it by Carruthers and incorporated as an addendum to Smith's paper. The specimen was evidently returned to Edinburgh and found its way to the University, but in 1860 it was transferred, with other material, to the Edinburgh Industrial Museum (since 1904 the Royal Scottish Museum).With the kind assistance of Professor J. Ritchie I have succeeded in tracing it, and with the permission of Dr D. A. Allan, Director of the Museum, and the helpful co-operation of Dr A. C. Stephen, Keeper of Natural History, I have had the privilege of studying it.


Zootaxa ◽  
2010 ◽  
Vol 2609 (1) ◽  
pp. 34 ◽  
Author(s):  
PIETRO PAOLO FANCIULLI ◽  
MARA LORETI ◽  
ROMANO DALLAI

The description of a new species and the redescription of four species of the genus Deuteraphorura are given. Deuteraphorura caprelleana sp. nov. is characterized by the peculiar distribution of dorsal (32/033/33354) and ventral (3/011/3212) pseudocelli that allow to recognize it from the other congeneric species. Furthermore, four species, Deuteraphorura apuanica (Dallai, 1970), D. pseudobosnaria (Dallai, 1970), D. pseudoinsubraria (Dallai, 1970) and D. pseudoghidinii (Dallai, 1969), are redescribed based on type and new topotypic material to furnish the description of some characters, especially concerning the chaetotaxy, not considered in the original description. A proposed key to the italian species is also reported.


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