Holozäne Ostracoden von Bermuda

Abstract

An inventory of 60 species of Ostracoda recovered from sediment samples and cores from the Bermuda Islands is given. Most of the species ate wel[ known from the Gulf of Mexico and the Caribbean; 28 species, including three originally described from the Mediterranean, and one genus from NW Europe ate recorded for the first time from Bermuda. An alphabetical checklist of all the Ostracoda known to date from the Bermudan faunal province is supplemented by scanning electron micrographs of most of the species from the present investigation. K e y w o r d s : Ostracoda, Holocene, Caribbean, Bermuda. Kurzfassung [Holozfine Ostracoden von Bermuda.] --Ostracoden aus vier subfossilen Sedimentproben und vier Kernen aus Bermuda wurden untersucht. 60 Arten konnten nachgewiesen und durch REM-Aufnahmen dokumentiert werden. 30 Arten sind aus der karibischen Region bekannt; drei weitere stammen aus dem Mittelmeerraum; die Gattung Elofsonia WAGNEa 1957 wird zum ersten Mal aus wS, rmeren Gewfissern nachgewiesen. Um Vergleiche mit benachbarten Gebieten zu ziehen und m6gliche Verbreitungswege aufzuzeichnen, wurde eine Liste aller bisher in der Literatur beschriebenen Arten aus Bermuda zusammengestellt.

A sediment-based reconstruction of Caribbean effective precipitation during the ‘Little Ice Age’ from Freshwater Pond, Barbuda

“…H. punctata (Keyser, 1975) is a nektobenthic ostracod, which is generally found in warm, shallow waters (<1 m) and is often associated with dense aquatic vegetation. Across the Caribbean, it inhabits seasonally fluctuating coastal lagoons and prefers brackish-water conditions with a salinity range of 2–7‰ (Keyser and Schöning, 2000); however, live specimens collected recently by the authors from Manatee Bay in Jamaica suggest it has a wider tolerance range, including salinities up to 20‰. Ostracods in the genus Chlamydotheca (de Saussure, 1858) are nektobenthic, prefer freshwater and have a largely Neotropical distribution.…”

“…Taxonomic information about the ostracod species found came from the following sources: Martens and Behen (1994), Broodbakker (1982Broodbakker ( , 1983aBroodbakker ( , 1983bBroodbakker ( , 1983cBroodbakker ( , 1984aBroodbakker ( , 1984b, Furtos (1934Furtos ( , 1936Furtos ( , 1938 and Keyser (1976). Ecological interpretations of the ostracod assemblages were based on the work of Holmes (1997), Keyser and Schöning (2000) and Pérez et al (2010) and those of the gastropods based on McKillop and Harrison (1982) and Smith and Brousseau (1996). All gastropod shells and up to 250 individual adult ostracod valves were picked from each sample and stored on micropalaeontological slides.…”

Ostracoda (Crustacea) from the Archipelago of São Pedro and São Paulo, Equatorial Atlantic, with emphasis on a new Hemicytheridae genus

“…of Coimbra et al (1992), Xestoleberis sp. of Keyser & Schöning (2000) and Xestoleberis toni Wouters, 2003 and classified (with doubt) the species herein identified just as Xestoleberis sp. 1 as X. toni.…”

A minute ostracod (Crustacea: Cytheromatidae) from the Miocene Solimões Formation (western Amazonia, Brazil): evidence for marine incursions?

“…Although some variability in details of the hinge, muscle scar patterns and pore canals seem to be present in Elofsonia (Aiello & Szczechura 2002 ), this genus differs by its less prominent, less pointed caudal process (except Elofsonia sp. in Keyser & Schöning 2000 ) and its more simple hinge (right valve: dorsally crenulated anterior socket; smooth median groove; weak posterior tooth; Whittaker 1973 ; Athersuch & Horne 1984 ; Athersuch et al . 1989 ).…”