A monograph of the recent British Ostracoda

Brady, George Stewardson

doi:10.5962/bhl.title.84654

Cited by 53 publications

(54 citation statements)

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“…P. micropapillosa has a well-developed furca, and is relatively large with a rounded carapace; thus, it is possibly more closely related to the subfamilies Cyprinotinae, Eucypridinae, Cypricercinae and Cypridinae than to other Cyprididae subfamilies. As P. micropapillosa has similar possible gland openings on the upper lip, as found in Heterocypris salina (Brady, 1868) and Heterocypris oblonga (Sars, 1924) (see Smith, in press), it is tentatively placed in the subfamily Cyprinotinae. A more certain determination is not possible without comparisons of other taxonomically important structures, such as the furcal attachment, that have not been found preserved in P. micropapillosa.…”

Section: N T E R P R E T a T I O N Smentioning

confidence: 85%

Morphology and ontogeny of Cretaceous ostracods with preserved appendages from Brazil

Smith

2000

Palaeontology

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ABSTRACT. The Lower Cretaceous ostracod Pattersoncypris micropapillosa Bate is redescribed, and Reconcavona sp. indet. with appendages preserved is described for the first time. The morphology of the carapace and especially of the appendages of P. micropapillosa is compared in detail with that of the Recent Cyprididae Eucypris virens, which demonstrates that there are substantial similarities. In addition to the adults of P. micropapillosa, a number of juveniles have also been recovered and described, and these are compared with the juveniles of E. virens. The ontogenetic development of P. micropapillosa is shown to be very similar to that of Recent Cyprididae. This has highlighted that this group of ostracods has changed very little over the last 100 My. P. micropapillosa is tentatively placed in the subfamily Cyprinotinae, based on features of the upper lip. As the morphology of the appendages and the ontogeny of P. micropapillosa are very similar to those of Recent forms, it is postulated that the function of the limbs and lifestyle were also similar, i.e. it was nektobenthic and an opportunistic detritus feeder.

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Section: N T E R P R E T a T I O N Smentioning

confidence: 85%

Morphology and ontogeny of Cretaceous ostracods with preserved appendages from Brazil

Smith

2000

Palaeontology

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“…The type-species of Pseudocythere, P caudata Sars, 1866, was first described from Norwegian waters and subsequently reported from British localities (Brady, 1868 ;Brady & Norman, 1889) and further afield . Miller's (1894) record from the Bay of Naples has been questioned by several authors, and the form was described as a new subspecies, P caudata mediterranea, by Bonaduce et al (1980) .…”

Section: Introductionmentioning

confidence: 99%

Two new species of Pseudocythere Sars (Crustacea, Ostracoda) from Britain and Norway

Horne

1986

Hydrobiologia

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“…undata British Recent Brady (1868) dC. undata British Recent Brouwers (1994) mS. balrogi North America Holocene Cronin & Ikeya (1987) qS.…”

Section: Author Namementioning

confidence: 99%

Taxonomy, morphology and speciation of the Semicytherura henryhowei group (Crustacea, Ostracoda)

2005

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The genus Semicytherura belongs to the family Cytheruridae, and was distinguished from Cytherura on the basis of carapace features. Species of Semicytherura from Japan and adjacent seas can be divided into two groups. One is represented by Semicytherura miurensis Hanai, 1957, characterized by a thin, oval carapace covered with fine reticulation. The other is represented by Semicytherura henryhowei Hanai & Ikeya, 1977, characterized by a thick sub-rectangular carapace in lateral view. Semicytherura henryhowei, which is distributed from Hokkaido to Okinawa in Japan, has been regarded as having several morphotypes distinguishable on outline and reticulation of carapace. However, as a result of detailed observations on the copulatory organ, carapace outline and distributional pattern of pore systems, remarkable differences are shown to exist between the two most frequently occurring morphotypes. In order to recognize S. henryhowei sensu stricto, the carapace of the holotype was re-examined. Consequently, neither of the two morphotypes are considered to belong to S. henryhowei due to differences of carapace outline and distribution of pore systems. The two morphotypes are here regarded as independent taxa, described as new: S. kazahana n. sp. and S. sasameyuki n. sp. The geographical distributions of the two new species overlap, but their micro-habitats differ from each other; the former lives on calcareous algae on rocky shores, the latter lives on silty sand bottom within the inner bay. A third new species, S. slipperi sp. nov., is also described. In view of their present geographical distributions and fossil records, the origin of this group of species would appear to be the Japanese islands or adjacent areas in and after the Miocene. This group then migrated to the Arctic Ocean and East Pacific Ocean during or before the middle Pliocene.

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A monograph of the recent British Ostracoda

Cited by 53 publications

References 0 publications

Morphology and ontogeny of Cretaceous ostracods with preserved appendages from Brazil

Morphology and ontogeny of Cretaceous ostracods with preserved appendages from Brazil

Two new species of Pseudocythere Sars (Crustacea, Ostracoda) from Britain and Norway

Taxonomy, morphology and speciation of the Semicytherura henryhowei group (Crustacea, Ostracoda)

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