The genera of recent Mollusca: arranged according to their organization

Adams, Arthur; Adams, Henry

doi:10.5962/bhl.title.4772

Cited by 110 publications

(72 citation statements)

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“…The Nassarius pauperus complex was recovered as a monophyletic group (PP = 1). Branch lengths (sequence divergences), similar to those found for other major clades within Nassariinae (i.e., Phrontis Adams & Adams, 1853, Nassarius, Tritia Risso, 1826and Naytia Adams & Adams, 1853, support our taxonomic decision to consider this clade as a separate genus. Reticunassa is the only available genus group name for this clade, because Nassarius pauperus, its type species, was included in it (see genus remarks for more details).…”

Section: Resultssupporting

confidence: 82%

Review of the Nassarius pauperus (Gould, 1850) complex (Nassariidae): Part 3, reinstatement of the genus Reticunassa, with the description of six new species

Galindo

Kool

Dekker

2017

EJT

808

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D N A L i b r a r y o f L i f e , r e s e a r c h a r t i c l eurn:lsid:zoobank.org:pub:FC663FAD-BCCB-4423-8952-87E93B14DEEA Abstract. In this review (third part), several species within the Nassarius pauperus complex from the eastern Indian Ocean and western Pacific are treated, including a revised concept of Nassa paupera Gould, 1850, type species of the genus Reticunassa Iredale, 1936. In the most recent taxonomic revision, several species had been synonymized with Nassarius pauperus (Gould, 1850), despite distinctive differences among these species in shell morphology. We sequenced a fragment of the mitochondrial COI and the nuclear 28S genes of all available Nassarius pauperus complex species. Automatic barcode gap discovery and reciprocal monophyly were applied to propose species delimitation hypotheses and to support a new concept of the genus. Using morphological and molecular characters, Reticunassa is elevated to full genus rank. Six new species are described: Reticunassa visayaensis sp. nov., R. poppeorum sp. nov., R. annabolteae sp. nov., R. goliath sp. nov., R. intrudens sp. nov. and R. thailandensis sp. nov., while R. tringa (Souverbie, 1864) is recognized as a valid species.

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Section: Resultssupporting

confidence: 82%

Review of the Nassarius pauperus (Gould, 1850) complex (Nassariidae): Part 3, reinstatement of the genus Reticunassa, with the description of six new species

Galindo

Kool

Dekker

2017

EJT

808

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“…Subfamily Onchidoridoidea Gray, 1827 Family Goniodorididae H. Adams & A. Adams, 1854 Genus Goniodoris Forbes & Goodsir, 1839 Goniodoris sp. Habitats.…”

Section: Gymnodoris Citrina (Bergh 1877) (Figure 25 K-l)mentioning

confidence: 99%

Astonishing diversity revealed: an annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique

Tibiriçá¹,

Pola

Cervera

2017

Zootaxa

673

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Hancock, 1845 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Miller, 2001 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104 Genus Baeolidia Bergh, 1888 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AbstractThis paper provides the first comprehensive annotated and illustrated inventory of Nudipleura from Mozambique. A total of 267 species are recorded, including 61 putative new species, documented over a period of seven years from several localities along the coast. At least 20 species need further investigation through molecular and taxomic analysis. Of the 186 confirmed described species, 118 are new records for the Mozambican fauna. Sampling was carried in tidal reefs and depths up to 60m on the subtropical and tropical coast of Mozambique. The most representative families were Chromodorididae (69 species), Discodorididae (30 species), Facelinidae (23 species) and Phyllididae (16 species). Nevertheless, a vast area of Mozambique remains unexplored, thus it is likely that the species documented here represent only a fraction of the true Nudipleura diversity of the country.

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“…Class Bivalvia Linnaeus, 1758Subclass Protobranchia Pelseneer, 1889(= Palaeotaxodonta Korobkov, 1954) Superorder Nuculaniformii Carter, Campbell, and Campbell, 2000Order Nuculanida Carter, Campbell, and Campbell, 2000Superfamily Nuculanoidea Adams and Adams, 1858(Gray, 1854 Family Nuculanidae Adams andAdams, 1858 (Gray, 1854) Subfamily Veteranellinae Chen, Liu and Lan, 1983…”

Section: Systematic Paleontologymentioning

confidence: 99%

Costinuculana magharensisn. gen. n. sp. (Bivalvia, Nuculanidae) from the Middle Jurassic of Gebel Maghara, North Sinai, Egypt

2017

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Abstract.-The nuculanid bivalve Costinuculana magharensis new genus new species is described from the middle to upper Bathonian Kehailia Formation of Gebel Maghara, North Sinai, Egypt. Costinuculana differs from other genera of the family Nuculanidae by the presence of opisthocline ribs along the rostrum. These ribs are variable in shape and size, straight to folded posteriorly, bifurcate ventrally and occasionally postero-dorsally, and cover an areã 45% of the total valve length from the posterior end. The life position of C. magharensis n. gen. n. sp. is reconstructed on the basis of a functional interpretation of its morphology and by comparison with closely related Recent forms. The asymmetrical commarginal ribs facilitated the burrowing process. The posterior oblique ribs are asymmetrical in cross-section with a steeply concave side in the burrowing direction and slightly convex side in the opposite direction. They probably kept the bivalve in a stable position once the desired depth had been reached. The thick oblique ribs probably also increased the strength of the rostrum and offered resistance against durophagous predators, being presumably partly exposed above the sediment-water interface. Based on the associated fauna, Costinuculana n. gen. lived in a low-energy environment characterized by a fine-grained, soft substrate. IntroductionGebel Maghara is a dome-like structure covering~400 km 2 in the northern Sinai, 50 km south of the Mediterranean coast (Fig. 1). It comprises the thickest and most complete Jurassic outcrop in northern Sinai (1800 m;Al Far, 1966;Keeley, 1994). The Middle-Upper Jurassic succession of Gebel Maghara is well known for its rich and diverse macrobenthic fauna such as brachiopods, bivalves, gastropods, ammonites, and corals. This fauna has been repeatedly studied from a taxonomic point of view (e.g., brachiopods: Farag, 1957Farag, , 1959 Farag and Gatinaud, 1960a, b;Feldman, 1987;Hegab, 1989Hegab, , 1991Feldman et al., 1991Feldman et al., , 2012 bivalves and gastropods: Douvillé, 1916, 1925;Hirsch, 1980; and ammonites: Arkell et al., 1952;Parnes, 1988). The most-recent studies dealing with the stratigraphy and paleoecology are given by Abdelhady (2014) and Abdelhady and Fürsich (2014, 2015a, b, c).The purpose of this paper is: (1) to describe the new bivalve taxon Costinuculana magharensis n. gen. n. sp. (order Nuculanida) from the Bathonian of Gebel Maghara and to compare it with similar taxa of the family Nuculidae; (2) to interpret the function of its oblique ribs, which cover an area up to~45% of total valve length from the posterior end and to reconstruct its autecology; and (3) to determine its paleoenvironmental setting on the basis of facies relationships and associated faunal elements. Geologic settingThe Jurassic succession of Gebel Maghara represents a sequential development of continental and marine sediments, starting in the Early Jurassic (Toarcian) and lasting until the Kimmeridgian (Fig. 2). It represents a wide variety of continental, deltaic, nearshore-silici...

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The genera of recent Mollusca: arranged according to their organization

Cited by 110 publications

References 0 publications

Review of the Nassarius pauperus (Gould, 1850) complex (Nassariidae): Part 3, reinstatement of the genus Reticunassa, with the description of six new species

Review of the Nassarius pauperus (Gould, 1850) complex (Nassariidae): Part 3, reinstatement of the genus Reticunassa, with the description of six new species

Astonishing diversity revealed: an annotated and illustrated inventory of Nudipleura (Gastropoda: Heterobranchia) from Mozambique

Costinuculana magharensisn. gen. n. sp. (Bivalvia, Nuculanidae) from the Middle Jurassic of Gebel Maghara, North Sinai, Egypt

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