British Genera Research Articles

New Information on the Madagascan Middle Jurassic Sauropod Lapparentosaurus madagascariensis

The systematic position of the Middle Jurassic sauropod Lapparentosaurus madagascariensis is not fully understood due to a lack of useful anatomical detail. Despite many new bone fragments from the axial skeleton, post-cranial skeleton, and a hind limb having been previously unearthed, its systematic position has not yet been satisfactorily established. Although this Malagasy taxon is only recognised by two autapomorphies located in the scapula and coracoid, two features of the neural spine, which are reported here, provide additional information on the common autapomorphies shared with the British genus Cetiosaurus. A full description of the femur and neural spine helps to determine some aspects of its relationship to other similar taxa. Remains of Lapparentosaurus madagascariensis have been recovered from mixed facies that may have been deposited in a shallow water lagoon during a transgressive period in the Isallo IIIb subunit in the Majunga Basin.

A new species of Brodiechelys (Testudines, Pan-Cryptodira) from the Early Cretaceous of Spain: Systematic and palaeobiogeographic implications

Brodiechelys brodiei is an Early Cretaceous turtle from Great Britain, the only species of the genus. This taxon has been shown in recent phylogenies to be closely related to Xinjiangchelyidae and therefore could be the only representative of this group in Europe. Here, we present several specimens from the Early Cretaceous Maestrazgo Basin, in the Iberian Range of Spain attributed to the British genus, and to a new species, Brodiechelys royoi. This discovery shows that, as previously observed with terrestrial turtles, some freshwater turtle taxa had a wide European distribution during the Early Cretaceous, being present in both Britain and the Iberian Peninsula. This study sheds new light on the phylogenetic position of this enigmatic genus, supporting its attribution to Xinjiangchelyidae, a clade whose presence has been previously confirmed exclusively from the Middle Jurassic to Early Cretaceous of Asia. We propose that another recently identified taxon from the Iberian Peninsula (i.e., Larachelus morl...

Taxonomic recommendations for British birds: Sixth report

Taxonomic recommendations for British birds: Sixth report

XV. Observations upon the structural Character of the Death Watch (Atropos pulsatoria), with Description of a new British Genus in the Family to which it belongs

Transactions of the Royal Entomological Society of LondonVolume 4, Issue 1 p. 71-72 XV. Observations upon the structural Character of the Death Watch (Atropos pulsatoria), with Description of a new British Genus in the Family to which it belongs J. O. Westwood Esq., F.L.S., J. O. Westwood Esq., F.L.S.Search for more papers by this author J. O. Westwood Esq., F.L.S., J. O. Westwood Esq., F.L.S.Search for more papers by this author First published: March 1845 https://doi.org/10.1111/j.1365-2311.1845.tb01339.xAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat No abstract is available for this article. Volume4, Issue1March 1845Pages 71-72 RelatedInformation

Lost & Found: 215. Sauropod dinosaur remains

Paul Upchurch (University Museum of Zoology, Downing St., Cambridge CB2 3EJ) is currently undertaking a review of sauropod dinosaurs for his PhD project, beginning with British genera. He is trying to locate any material of which he may be unaware in museums around the country. If you have any material which may be of interest, please contact him at the above address, or on 0223 336650 or 336613. The material may be catalogued under the following genera, or may be masquerading as non-sauropod material: 1, sauropods found in Britain: Bothriospondylus, Cardiodon, Cetiosauriscus, Cetiosaurus (= Ceteosaurus), Chondrosteosaurus, Dinodocus, Gigantosaurus, Hoplosaurus (Oplosaurus), Ischurosaurus (Ischyrosaurus), Macrurosaurus (Macrourosaurus), Marmarospondylus, Morosaurus (Camarasaurus), Ornithopsis (Eucamerotus), Pelorosaurus, Pleurocoelus, Regnosaurus? and Titanosaurus. 2, sauropods brought to Britain...

The larvae of the British genera of Cantharidae (Coleoptera)

ABSTRACTThe larvae of the six British genera (Cantharis, Malthinus, Malthodes, Podabrus, Rhagonycha and Silis) of Cantharidae are described. The characters available for classification are discussed and a key to the genera is provided.

The larvae of Paederinae and Staphylininae (Coleoptera: Staphylinidae) with keys to the known British genera

The larvae of Paederinae and Staphylininae (Coleoptera: Staphylinidae) with keys to the known British genera

The subfamilies of the larvae of Staphylinidae (Coleoptera) with keys to the larvae of the British genera of Steninae and Proteininae

The subfamilies of the larvae of Staphylinidae (Coleoptera) with keys to the larvae of the British genera of Steninae and Proteininae

An Annotated List of British Hepatica

There have been several systematic treatments of the Hepaticae which might serve as a basis for a list of British SPeCieswhich would be in accordance with modern concepts of classification and rules of nomenclature. The check-list by Buch, Evans & Verdoorn (1937) has been frequently followed in Britain, though the arrangement is unsatisfactory in so far as it is alphabetical for species within genera and for genera within families. Two years later Evans (1939) produced a revised list of genera arranged in a more natural sequence, in which he also introduced several undoubted improvements in the composition of families which have subsequently been adopted by K. Muller; in many ways Evans's classification is the most attractive which has yet been suggested. That used by Schuster (1953) is closely allied, and I have followed it in many features. It is impossible to use either Evans's or Schuster's work as a complete basis for a list of British hepatics, since the one is a mere list of genera, and the other includes only a selection of our British genera and species. It is, moreover, preferable to follow some standard flora of the region as far as the classification, nomenclature and treatment of species are likely to be generally acceptable. There are two recent floras which had to be seriously considered for this purpose-Arnell's Scandinavian flora (1956a) and K. Muller's 3rd edition of Die Lebermoose Europas (1954-7), which is now sufficiently near completion to make its treatment clear. Arnell's flora, being written in English, will undoubtedly be widely used in Britain, but it has certain disadvantages in that it retains much of the artificial sequence of species and genera from the check-list of Buch et al., and because it makes some unnecessarily small genera. Muller's Lebermoose, though more authoritative, will be less widely used with us because of its expense and because it is written in German, but it will undoubtedly remain a standard work which will always have to be considered carefully by any serious student of European hepatics. His conclusions with regard to some species do not seem to me to be acceptable, and he has made an unnecessarily large number of small (often monogeneric) families. I have therefore drawn features from all the above sources in constructing what I hope will prove to be a widely acceptable classification. Though MUller's is the most original of recent treatments, it fortunately agrees with others as to the composition and delimitation of the natural groups of genera in the Jungermanniales; it usually differs only in subdividing into smaller families. There are only two serious divergences of opinion-the position of Pedinophyllum and Mylia, which MUlier associated with Plag;ochi/a, Evans with Harpanthus, and Amell with the Lophoziaceae, and the position of Eremonotus, which has long been associated with Cepha/ozia, but

LIV.—Key to the British genera of subfamily Erigoninæ (Family Linyphiidæ: Araneæ): including the description of a new genus (Jacksonella)

LIV.—<i>Key to the British genera of subfamily</i> Erigoninæ (<i>Family</i> Linyphiidæ: Araneæ): <i>including the description of a new genus</i> (Jacksonella)

XXIII.—A Revision of the British Idoteidæ, a Family of Marine Isopoda.

Many of the earlier accounts of the group of Crustacea, known as Isopoda, suffer from want of more detailed diagnoses and figures. To some extent this has been remedied during recent years by the authors of different monographs, but there are still many families which remain somewhat obscure, or only partially understood, owing to the above-mentioned cause. Such a family is the Idoteidæ.In the present communication I propose to revise the diagnoses of the British genera and species, to set forth in greater detail than has hitherto been done their structure, illustrating the same, and to discuss the classification and affinities of the family as a whole.

XXXI.—Further remarks on the morphology of the Blastoidea, with descriptions of a new British Carboniferous genus and some new Devonian species from Spain

XXXI.—<i>Further remarks on the morphology of the Blastoidea, with descriptions of a new British Carboniferous genus and some new Devonian species from Spain</i>

On the Cladophora (Hopk.) or Dendroid Graptolites collected by Professor Keeping in the Llandovery Rocks of Mid Wales

The forms of Cladophora collected by Professor Keeping from the Llandovery rocks of Cardiganshire are, regarded collectively, of a type almost new to British palæontology. Although intimately allied to the well-known dendroid species of the Quebec and Arenig formation, they are very distinct in their minor features. They are essentially of a Silurian (Upper) facies, and they remind us strongly of a group recently made known to us through the researches of Mr. Spencer, of Toronto, which characterizes the Clinton and Niagara Groups of New York and Upper Canada. None of our examples shows the complete polypary, or affords distinct proof of the presence of all the more minute classificatory features; but there is satisfactory evidence of the presence of at least four distinct genera and seven species. The genera represented are Dictyonema , Hall, Calyptograptus , Spencer, Acanthograptus , Spencer, and Odontocaulis , Lapw. Dictyonema is a well-known British genus; the remainder are new to British palæontology. Calyptograptus and Acanthograptus have been already briefly noticed from American strata by Mr. Spencer, but have not hitherto been figured. Odontocaulis is a new genus, of a peculiar type. Of the seven distinct species recognizable, four (viz. Dictyonema z.orrugatellum, Caly_ptograptus plumosus, C. digitatus , and Odontocazdis Kee_pingii ) are as yet peculiar to the Mid-Wales area. The remaining three have already been recognized by myself in the Silurian rocks of the south of Scotland. Dictyonema venustum certairdy occurs in the Upper Gala group of Selkirkshire (Llandovery-Tarannon), and doubtfully in strata of a little older date in the Girvan

On Dakosaurus from the Kimmeridge Clay of Shotover Hill

E arly in the spring of 1866 I obtained from the Kimmeridge Clay of Shotover-hill, near Oxford, four entire teeth and one portion of a tooth of Dakosaurus , which is now for the first time described and figured as a British genus. The only description of this reptile with which I am acquainted is to be found in Quenstedt's ‘Der Jura†.’ This author, after mentioning the circumstance of his having described it in a former work under the name of Megalosaurus , states that the only part of the skeleton known is a portion of a lower jaw containing six teeth, which are implanted in distinct sockets ( Alveolen ): a detached tooth, figured in the work referred to, well expresses the general characters given below, even to the crenulation of the trenchant margins. It is noticed by Prof. Owen*, who rightly includes it among his “amphicœlian” Crocodilia. Teeth of Dakosaurus are said to occur, associated with remains of Pliosaurus, Gyrodus, Sphœrodus gigas , &amp;c., in the Potton Sands described by Mr. Seeley; these are its companions, both in the Upper White Jura of Schnaitheim and in the Kimmeridge Clay of England. Mr. Walker† also mentions it as occurring in beds probablyof the same age at Upware, in the Fens of Cambridge, and in similar company. I have examined, through the kindness of Mr. W. Davies, a suite of the Potton fossils at the British Museum; but it would be almost impossible, owing to the worn condition of these fossils, which which have evidently been

On Dakosaurus from the Kimmeridge Clay of Shotover Hill

Abstract T he Kimmeridge Clay of Shotover Hill has yielded five specimens of the teeth of this reptile, now for the first time represented as a British genus. After noticing the bibliography of the subject, and the presence of specimens in various museums, the author proceeds to describe the characters of the teeth. They are large, conical, incurved, and slightly recurved, having two sharp, prominent, crenulated, longitudinal ridges, which are situated midway between the convex and concave curvatures. This reptile is regarded by the author as foreshadowing the form of dentition that characterizes the existing group of Varanidœ . If the materials were at hand for a complete definition of its comparative osteology, Dakosaurus would probably exhibit a combination of Lacertilian and Crocodilian characters, but with the crocodilian elements predominant.