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  • 1
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    Figure 7 from: Strong EE, Sirenko BI, McLean JH (2021) The only species of Mohnia Friele, 1879 (Caenogastropoda, Buccinoidea, Buccinidae) in the North Pacific represents an unrecognized new genus of Newtoniellidae (Triphoroidea). ZooKeys 1055: 69-87. https://doi.org/10.3897/zookeys.1055.68911
    Pensoft Publishers ; 2021
    In:  ZooKeys Vol. 1055 ( 2021-08-05), p. 69-87
    Details
    In: ZooKeys, Pensoft Publishers, Vol. 1055 ( 2021-08-05), p. 69-87
    Abstract: Mohnia kurilana Dall, 1913 was described more than 100 years ago from deep waters off the Kuril Islands and remains exceedingly rare in museum collections. Originally placed in the carnivorous neogastropod family Buccinidae, fragmentary soft parts from the type lot and from several specimens belonging to allied species collected in the Aleutian Islands in the 1990s have allowed anatomical investigations for the first time. These have revealed the presence of a paucispiral operculum with an eccentric nucleus, foot with a deep propodial pedal gland and metapodial pedal gland, taenioglossate radula, short acrembolic proboscis, well-developed mid-esophageal gland, glandular prostate, and the absence of a penis; the nervous system is epiathroid with a long supra-esophageal connective and numerous statoconia in the statocysts. Analysis of the gut contents revealed abundant halichondriid sponge spicules. This evidence indicates a placement in the Triphoroidea, a diverse superfamily of specialized spongivores. Mohnia kurilana is transferred to the Newtoniellidae and placed in the new genus Pseudomohnia gen. nov. Pseudomohnia rogerclarki sp. nov. is established for a new species from the Aleutian Islands characterized by its narrowly turreted shell and distinctive multicuspid rachidian. A lectotype is designated for Mohnia kurilana .
    Type of Medium: Online Resource
    ISSN: 1313-2970 , 1313-2989
    URL: Article
    URL: Article
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    DOI: 10.3897/zookeys.1055.68911
    DOI: 10.3897/zookeys.1055.68911.figure1
    DOI: 10.3897/zookeys.1055.68911.figure2
    DOI: 10.3897/zookeys.1055.68911.figure3
    DOI: 10.3897/zookeys.1055.68911.figure4
    DOI: 10.3897/zookeys.1055.68911.figure5
    DOI: 10.3897/zookeys.1055.68911.figure6
    DOI: 10.3897/zookeys.1055.68911.figure7
    Language: Unknown
    Publisher: Pensoft Publishers
    Publication Date: 2021
    detail.hit.zdb_id: 2445640-8
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  • 2
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    Leptochiton subrugatus sp. nov. (Mollusca: Polyplacophora) from low boreal waters of northern Pacific
    Springer Science and Business Media LLC ; 2021
    In:  Marine Biodiversity Vol. 51, No. 4 ( 2021-08)
    Details
    In: Marine Biodiversity, Springer Science and Business Media LLC, Vol. 51, No. 4 ( 2021-08)
    Abstract: The genus Leptochiton Gray, 1847 is a paraphyletic group of small, pale, and usually deepwater chitons. They lack some of the morphological shell characters that are important in the systematics of Polyplacophora, and species identification within this genus is challenging. One species complex in the North Pacific includes at least 11 species that were historically synonymized or confused with Leptochiton rugatus (Carpenter in Pilsbry, 1892). Scrutiny of ecological and biogeographical patterns has helped to separate species lineages within this clade and support morphological diagnoses. Based on morphological and molecular studies, a new species is described that was previously confused with both Leptochiton assimilis (Thiele, 1909) and Leptochiton rugatus . This new species is widely distributed in the summer-warmed bays of the southern Primorye, Moneron Island, Northern Japan, Kunashir, and the Yellow Sea. This species is at least ~8% different in the COI barcode region from Leptochiton rugatus s.s. Morphological differences between the new species and closely related species are presented.
    Type of Medium: Online Resource
    ISSN: 1867-1616 , 1867-1624
    URL: Article
    DOI: 10.1007/s12526-021-01190-z
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2478073-X
    detail.hit.zdb_id: 2493558-X
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  • 3
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    New species of chitons of the superfamily Cryptoplacoidea (Mollusca: Polyplacophora) from Vietnamese waters
    Magnolia Press ; 2017
    In:  Zootaxa Vol. 4299, No. 4 ( 2017-07-31)
    Details
    In: Zootaxa, Magnolia Press, Vol. 4299, No. 4 ( 2017-07-31)
    Abstract: Twelve species of the polyplacophoran genera Notoplax, Leptoplax, Acanthochitona and Cryptoplax (Chitonida: Acanthochitonina: Cryptoplacoidea) were found in Vietnamese waters for the first time. Five of them, namely Notoplax conica, Leptoplax doederleini, Leptoplax richardi n. comb., Acanthochitona achates and A. biformis, are new to Vietnamese fauna. The remaining seven species are new to science, namely: Notoplax odysseyi n. sp., Leptoplax nhatrangi n. sp., L. tongkingi n. sp., Acanthochitona condaoi n. sp., A. lanae n. sp., A. nigra n. sp. and A.ostreaphila n. sp. Leptoplax richardi n. comb. was transferred from the original genus Notoplax based on the redefinition of the genus given herein. We confirmed the occurrences of 21 species of the superfamily Cryptoplacoidea in the Vietnamese fauna, which makes them the richest group of chitons in Vietnamese waters. A peculiar feature, a comb-like blade in the major uncinal teeth of the radula is found in two new species, L. tongkingi n. sp. and A. ostreaphila n. sp. A similar feature is known only in two other distinct groups: the genus Ferreiraella of the family Ferreiraellidae of the order Lepidopleurida and the genera Tonicella and Boreochiton of the family Tonicellidae of the order Chitonida. This is the first report of this feature other than those two groups. 
    Type of Medium: Online Resource
    ISSN: 1175-5334 , 1175-5326
    URL: Issue
    URL: Article
    DOI: 10.11646/zootaxa.4299.4
    DOI: 10.11646/zootaxa.4299.4.1
    Language: Unknown
    Publisher: Magnolia Press
    Publication Date: 2017
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  • 4
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    A checklist of Polyplacophora (Mollusca) from the Fiji islands
    Magnolia Press ; 2008
    In:  Zootaxa Vol. 1777, No. 1 ( 2008-05-28), p. 1-
    Details
    In: Zootaxa, Magnolia Press, Vol. 1777, No. 1 ( 2008-05-28), p. 1-
    Abstract: A compiled list of Fiji Islands chitons, including an updated chresonymy list and identification key, is provided. To the nine species previously known from the literature ten more are added. Of the 19 species now known from Fijian waters, one is a deep-water species and two are also known from fossils. A redescription of Callochiton neocaledonicus Kaas & Van Belle, 1990, and a detailed description of subadult specimens of Choneplax littlerorum Sirenko, 2003 are herein provided. Chiton spinosetatus Bergenhayn, 1930 is here regarded as a synonym of Chiton subassimilis Souverbie in Souverbie & Montrouzier, 1866. A lectotype designation is herein made for one of the numerous syntypes of Cryptoplax jugosus Bergenhayn, 1930 and for one of the two syntypes of Chiton reticulatus Nierstrasz, 1905 to stabilize the type localities for these species. For the same reason, and to clarify the confusing type status of Lepidopleurus niasicus Thiele, 1906, a lectotype is also selected from the three available syntypes. Acanthopleura nigropunctata Carpenter, 1865 and Tonicia novemrugata Bergenhayn, 1930, formerly placed in Tonicia, are both reassigned to the genus Lucilina on the basis of radular differences of both genera (second lateral tooth quadricuspid in Lucilina vs. unicuspid in Tonicia) and the geographic isolation of the Tonicia, of which species occur in central and south American waters only.
    Type of Medium: Online Resource
    ISSN: 1175-5334 , 1175-5326
    URL: Issue
    URL: Article
    DOI: 10.11646/zootaxa.1777.1
    DOI: 10.11646/zootaxa.1777.1.1
    Language: Unknown
    Publisher: Magnolia Press
    Publication Date: 2008
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  • 5
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    Two new species of the family Leptochitonidae (Mollusca: Polyplacophora) from the tropical and subtropical shallow waters of the West Pacific
    FSAEIHE Far Eastern Federal University (FEFU) ; 2020
    In:  Бюллетень Дальневосточного малакологического общества Vol. 24, No. 1/2 ( 2020), p. 19-36
    Details
    In: Бюллетень Дальневосточного малакологического общества, FSAEIHE Far Eastern Federal University (FEFU), Vol. 24, No. 1/2 ( 2020), p. 19-36
    Abstract: Two new species of the family Leptochitonidae, Leptochiton pumilus sp. nov. and Terenochiton nomurai sp. nov. are described from the tropical and subtropical shallow waters of the West Pacific. L. pumilus from the Philippines and Papua New Guinea has a net-like sculpture on the shell which is rather rare feature in the genus. In this genus, so far only three species have hitherto been known in the tropical shallow waters, in contrast to more than 130 other extant species which are living in the deep cold waters and high latitudes. T. nomurai from Ryukyu Islands is the second representative of the genus Terenochiton Iredale, 1914 which was recently reinstated for Leptochiton norfolcensis (Hedley et Hull, 1912), and is characterized by having rudiments of the insertion plates in all valves. T. nomurai closely resembles the type species, but differs in the arrangement of the aesthete pores on the granules of the tegmentum, and less developed rudiments of the insertion plates. Key words: chitons, Leptochiton, Terenochiton, new species, the Philippines, Japan, Papua New Guinea. Описаны два новых вида семейства Leptochitonidae, Leptochiton pumilus sp. nov. и Terenochiton nomurai sp. nov. из тропических и субтропических мелководий западной Пацифики. L. pumilus c Филиппин и Папуа – Новой Гвинеи имеет сетчатовидную скульптуру на раковине, что является довольно редким признаком в этом роде. В этом роде только три вида известны до настоящего времени в тропических мелководьях, в противоположность более чем 130 другим современным видам, которые живут в глубоких холодных водах и в высоких широтах. T. nomurai из островов Рюкю является вторым представителем рода Terenochiton Iredale, 1914, который был недавно восстановлен для Leptochiton norfolcensis (Hedley et Hull, 1912) и характеризуется наличием рудиментов инсерционных пластинок на всех щитках. T. nomurai сходен с типовым видом рода, но отличается расположением пор эстетов на зернах тегментума и менее развитыми рудиментами инсерционных пластинок. Ключевые слова: хитоны, Leptochiton, Terenochiton, новые виды, Филиппины, Япония, Папуа Новая Гвинея.
    Type of Medium: Online Resource
    ISSN: 1560-8425
    Uniform Title: Два новых вида семейства Leptochitonidae (Mollusca: Polyplacophora) из тропических и субтропических мелководий западной Пацифики
    URL: Issue
    URL: Article
    DOI: 10.24866/1560-8425/2020-24
    DOI: 10.24866/1560-8425/2020-24/19-36
    Language: Unknown
    Publisher: FSAEIHE Far Eastern Federal University (FEFU)
    Publication Date: 2020
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  • 6
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    Lepidochitona bondarevi sp. nov. (Mollusca: Polyplacophora) from the Black Sea and its relatives
    A.N.Severtsov Institute of Ecology and Evolution RAS - IEE RAS ; 2023
    In:  Ruthenica, Russian Malacological Journal Vol. 33, No. 4 ( 2023-10-02), p. 149-165
    Details
    In: Ruthenica, Russian Malacological Journal, A.N.Severtsov Institute of Ecology and Evolution RAS - IEE RAS, Vol. 33, No. 4 ( 2023-10-02), p. 149-165
    Abstract: A revision of Black Sea chitons of the genus Lepidochitona has been conducted. The revision revealed new features of intrageneric similarity and differences of Black Sea species as well as with Mediterranean species. Species similarity of Black Sea and Mediterranean representatives of Lepidochitona cinerea is confirmed. A new species L. bondarevi sp. nov. is described. Previously its specimens were attributed erroneously to L. caprearum. The new species differs from L. caprearum in having a less broad head valve, shorter apophyses, a much longer postmucronal area on the tail valve, 7–8 longitudinal grooves around the upper half of dorsal girdle spicules and smooth dorsal girdle needles.
    Type of Medium: Online Resource
    ISSN: 2307-7336 , 0136-0027
    URL: Issue
    URL: Article
    DOI: 10.35885/ruthenica.2023.33(4)
    DOI: 10.35885/ruthenica.2023.33(4).2
    Language: Unknown
    Publisher: A.N.Severtsov Institute of Ecology and Evolution RAS - IEE RAS
    Publication Date: 2023
    detail.hit.zdb_id: 2763541-7
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  • 7
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    Phylogeny, divergence times and species delimitation of Tonicia (Polyplacophora: Chitonidae) from the eastern Pacific Ocean
    Oxford University Press (OUP) ; 2019
    In:  Zoological Journal of the Linnean Society Vol. 186, No. 4 ( 2019-07-23), p. 915-933
    Details
    In: Zoological Journal of the Linnean Society, Oxford University Press (OUP), Vol. 186, No. 4 ( 2019-07-23), p. 915-933
    Abstract: The chiton genus Tonicia is composed of 12 species, 11 of which are found in the eastern Pacific, but the taxonomic status and geographical distribution of these species have long been controversial. In this study, we compare eastern Pacific Tonicia species using molecular systematics. The molecular markers cytochrome oxidase c subunit I (COI), 16S and 18S ribosomal RNA were used to estimate the phylogenetic relationships and divergence times among species. Species delimitations were inferred using a Bayesian generalized mixed Yule coalescent (bGMYC) and a Bayesian Poisson tree processes (bPTP) approach. We assigned southeastern Pacific specimens to nine recognized species based on their morphology, but these were resolved into only six species in our molecular phylogeny, suggesting that three of the recognized morpho species need to be synonymized. The bGMYC and bPTP analyses indicate the existence of six total coalescent groups interpreted as seven species in our gene tree results. Likewise, pairwise genetic distances, phylogenetic estimates and coalescent approaches support only seven lineages when considering specimens that match the nine currently recognized southeastern Pacific Tonicia species. We suggest that the colouration and morphological characters used to identify Tonicia species must be re-examined in depth.
    Type of Medium: Online Resource
    ISSN: 0024-4082 , 1096-3642
    URL: Article
    DOI: 10.1093/zoolinnean/zlz006
    Language: English
    Publisher: Oxford University Press (OUP)
    Publication Date: 2019
    detail.hit.zdb_id: 1471951-4
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  • 8
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    How many macrozoobenthic species might inhabit the Antarctic shelf?
    Cambridge University Press (CUP) ; 2004
    In:  Antarctic Science Vol. 16, No. 1 ( 2004-03), p. 11-16
    Details
    In: Antarctic Science, Cambridge University Press (CUP), Vol. 16, No. 1 ( 2004-03), p. 11-16
    Abstract: Based on data from the Weddell Sea in the Atlantic sector of the Southern Ocean, the total number of macrozoobenthic species was estimated for the entire Antarctic shelf using species-accumulation methods, jack-knife estimators, and Incidence-based Coverage Estimators of species richness. Ranging between 11 000 and 17 000 expected species, Antarctica seems to have an intermediate species richness when compared to other selected tropical, temperate or Arctic habitats.
    Type of Medium: Online Resource
    ISSN: 0954-1020 , 1365-2079
    URL: Article
    DOI: 10.1017/S0954102004001750
    Language: English
    Publisher: Cambridge University Press (CUP)
    Publication Date: 2004
    detail.hit.zdb_id: 2104104-0
    detail.hit.zdb_id: 1009128-2
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  • 9
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    Stenosemus undatopleuralis sp. nov. (Mollusca: Polyplacophora) from Northeast Pacific
    A.N.Severtsov Institute of Ecology and Evolution RAS - IEE RAS ; 2023
    In:  Ruthenica, Russian Malacological Journal Vol. 33, No. 2 ( 2023-04-03), p. 73-77
    Details
    In: Ruthenica, Russian Malacological Journal, A.N.Severtsov Institute of Ecology and Evolution RAS - IEE RAS, Vol. 33, No. 2 ( 2023-04-03), p. 73-77
    Abstract: Described is a new species of the genus Stenosemus from the Gulf of Alaska. It differs from the other species of this genus from the Northeast Pacific by having longitudinal undulating folds in the pleural areas of the intermediate valves, flattened, smooth dorsal calcareous corpuscules on perinotum and rectangular central teeth of radula.
    Type of Medium: Online Resource
    ISSN: 2307-7336 , 0136-0027
    URL: Issue
    URL: Article
    DOI: 10.35885/ruthenica.2023.33(2)
    DOI: 10.35885/ruthenica.2023.33(2).3
    Language: Unknown
    Publisher: A.N.Severtsov Institute of Ecology and Evolution RAS - IEE RAS
    Publication Date: 2023
    detail.hit.zdb_id: 2763541-7
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  • 10
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    Chitons (Mollusca: Polyplacophora) of Hainan Island and vicinity, South China Sea
    Magnolia Press ; 2019
    In:  Zootaxa Vol. 4564, No. 1 ( 2019-03-04)
    Details
    In: Zootaxa, Magnolia Press, Vol. 4564, No. 1 ( 2019-03-04)
    Abstract: The chiton fauna of Hainan Island and its vicinity is poorly known. In this contribution, we present the first comprehensive account of the living chitons from this area. The present compilation is based on the study of historical collections housed in Qingdao (China), Saint Petersburg (Russia), new samples from Hainan Island and data from literature. Six species (Rhyssoplax venusta, Lucilina lamellosa, L. tenuicostata, L. tilbrooki, Onithochiton stracki and Acanthochitona intermedia) are reported for the first time from this area. Three species (Acanthochitona achates, A. britayevi and A. lanae) are re-identified on the basis of descriptions, drawings and photographs in old articles. We now know a total of 30 species (belonging to 18 genera in seven families) from the vicinity of Hainan Island. While examining material of Lucilina lamellosa, we found two forms: L. lamellosa forma typica and the new form L. lamellosa forma costata. Both forms differ from each other in the structure of the tegmentum of the pleural areas. 
    Type of Medium: Online Resource
    ISSN: 1175-5334 , 1175-5326
    URL: Issue
    URL: Article
    DOI: 10.11646/zootaxa.4564.1
    DOI: 10.11646/zootaxa.4564.1.1
    Language: Unknown
    Publisher: Magnolia Press
    Publication Date: 2019
    SSG: 12
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