Ostracods of the Paratethys Sea and Lake Pannon — Perspectives for renewal of cooperative projects

Danielopol, Dan L.; Groß, Martin; Piller, Werner E.; Baltanás, Ángel Luis

doi:10.1007/bf03043985

Cited by 8 publications

(5 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…To fulfil the above mentioned programme of research one should combine the modern perspective traced by Cristescu et al (2010) with the more classical actuo-palaeontological approach, as proposed in Danielopol et al (2008). We recall here that during the 6th European Ostracodologists’ Meeting in Frankfurt/Main in 2007 (EOM-6) these latter authors proposed a programme of cooperative projects dealing with a renewal of ostracod investigations of the Parathetys Sea and Lake Pannon.…”

Section: Discussionmentioning

confidence: 99%

On the Leptocytheridae Ostracods of the Long‐Lived Lake Ohrid: A Reappraisal of their Taxonomic Assignment and Biogeographic Origin

Namiotko

Danielopol

Belmecheri

et al. 2012

International Review of Hydrobiology

Self Cite

View full text Add to dashboard Cite

Leptocythere karamani KLIE, one of few non-marine species of the family Leptocytheridae (Ostracoda), is redescribed from specimens recently collected from the long-lived Lake Ohrid on the Albanian-Macedonian border. Detailed morphologies of valves and limbs of this species were compared with those of other Ohrid-Prespa leptocytherids, of some recent marine representatives of the genera Leptocythere SARS and Callistocythere RUGGIERI from the Mediterranean, Irish and Baltic seas as well as with that of fossil non-marine species from the Miocene palaeo-Lake Pannon belonging to the genera Amnicythere DEVOTO and Euxinocythere STANCHEVA. Comparison with other species of Leptocytheridae inhabiting fresh to brackish waters of the Black-AZOV, Caspian and Aral seas were also carried out using descriptions provided in the literature. Based on the comparative morphological studies it is shown that L. karamani and other Ohrid leptocytherids have a number of characters distinguishing them from other members of the genus Leptocythere but demonstrating a relationship with species of the genus Amnicythere. The most reliable of these characters are: a) anterior valve vestibulum from where mostly uni-ramified pore canals start, b) the entomodont hinge type with a strong anterior anti-slip tooth, a smooth posterior anti-slip bar on the left valve, and c) the hemipenis with underdeveloped lateral lobe and reduced clasping organ. From this strong evidence, the Ohrid leptocytherid species are allocated to the genus * Corresponding author, namiotko@biotech.ug.gda.pl. 7 PostscriptAfter we completed this MS we received the publication of I. SCHÖN and K. MARTENS, "Molecular analyses of ostracod flocks from Lake Baikal and Lake Tanganyika", Hydrobiologia 682: 91-110. The authors propose for the dispersal of a cytheroid ostracod a scenario similar to our Amnicythere model, namely from the ancient Lake Baikal, where most of the fauna is supposed to be ecologically specialised, one of its representatives, Cytherissa lacustris (SARS), spread outside the lake and colonised other lacustrine systems at a regional scale. Amnicythere. Finally, a biogeographic scenario on the origin of the Ohrid leptocytherids is proposed which matches the "Lake Pannon derivate hypothesis". Close relationship of the Ohrid Amnicythere species with the non-marine leptocytherid taxa from the Neogene lakes of Central and Eastern Europe and with extant taxa from the Black and Caspian seas may indicate that the Ohrid Amnicythere derived from Lake Pannon species which were able to colonise lakes in Southern Europe through a stepping-stone process and subsequently to adapt to freshwater environment. Europe PMC Funders Group

show abstract

Section: Discussionmentioning

confidence: 99%

On the Leptocytheridae Ostracods of the Long‐Lived Lake Ohrid: A Reappraisal of their Taxonomic Assignment and Biogeographic Origin

Namiotko

Danielopol

Belmecheri

et al. 2012

International Review of Hydrobiology

Self Cite

View full text Add to dashboard Cite

show abstract

“…Foraminifers disappear completely at the base of the Pannonian (KoKecz-LaKY 1985: 265). DANIELOPOL et al (2008) point out that first reports of these unique ostracod fauna date back to the mid of the 19 th century (Reuss 1850) and in the 1960-70's there was a bloom in Lake Pannon ostracod research (e.g. Others, like candonids and herpetocyprids, maybe emigrated from surrounding freshwater settings and adapted to life in Lake Pannon.…”

Section: Introductionmentioning

confidence: 99%

Environmental changes and diversification ofCyprideis in the Late Miocene of the Styrian Basin (Lake Pannon, Austria)

Groß

Minati

Danielopol

et al. 2008

Senckenbergiana lethaea

Self Cite

View full text Add to dashboard Cite

~e turnover from the Sarmatian Paratethys Sea into Lake Pannon around 11.6 Ma seriously impacted aquatic biota like ostracods and triggered their adaptation to the changed environments. One survivor of this ecological switch is certainly the genus Cyprideis, which is well known for its radiation in Lake Pannon. A high-resolution micropalaeontological investigation of a transgressive-regressive sedimentary cycle just above the Middle/Late Miocene boundary focused on the taxonomy of the found Cyprideis species. Species-diagnostic characters were evaluated applying qualitative as well as linear and geometric morphometric analyses. "Ihese examinations led to the introduction oftwo new ostracod species (Cyprideis kapfensteinensis GRoss n. sp. and Cyprideis mataschensis GROSS n. sp.), which diverge only indistinctly in outline, but are undoubtedly separared by their size and hinge structure along with considerable differences in number ofposteroventral spines. We conclude that these co-occurring species were two sympatric species, which were probably adapted to different microhabitats. C. kapfensteinensis is only recognised in the interval at the peak of the transgression, which corresponds to the maximum deepening of the lake in this area and with meso-/polyhaline conditions. In contrast, C. mataschensis seems to be a more euryplastic species because it appears well before this event and is also recorded in the regressive prodelta sediments up section.

show abstract

“…Globally these are mostly marine animals, occasionally found in brackish habitats, with the exception of the LB group and several genera endemic to Lake Tanganyika 16 . The family Candonidae are exclusively freshwater globally, with diversity hotspots in LB 7 , Lake Ohrid 17 , and during the Late Miocene in Lake Pannon 18 , 19 . They number around 500 Recent species 20 , almost half of which live in LB and subterranean waters of Western Australia 21 .…”

Section: Introductionmentioning

confidence: 99%

Diversification of the shell shape and size in Baikal Candonidae ostracods inferred from molecular phylogeny

Karanovic

Pham

Sitnikova

2023

Sci Rep

View full text Add to dashboard Cite

Ostracod shells are used extensively in paleontology, but we know little about their evolution, especially in ancient lakes. Lake Baikal (LB) is the world’s most important stronghold of Candonidae diversity. These crustaceans radiated here rapidly (12–5 Ma) and with an unprecedented morphological diversity. We reconstruct their molecular phylogeny with 46 species and two markers (18S and 16S rRNA), and use it to estimate the evolution of the shell shape and size with landmark-based geometric morphometrics (LBGM). High posterior probabilities support four major clades, which differ in node depth and morphospace clustering. After removing a significant allometry, the first three principal components (PCs) describe about 88% of total variability, suggesting a strong integration. Reconstructed ancestral shapes are similar for all four clades, indicating that diversification happened after colonization. Major evolutionary changes occurred from trapezoidal to elongated shapes. Sister species are separated in morphospace, by centroid size, or both, as well as by vertical and horizontal distributions in LB. Ostracod shell is a strongly integrated structure that exhibits high evolvability, with some extreme shapes, although mostly along the first PC. This is the first study that combines molecular phylogeny and LBGM for ostracods and for any LB group.

show abstract

Ostracods of the Paratethys Sea and Lake Pannon — Perspectives for renewal of cooperative projects

Cited by 8 publications

References 16 publications

On the Leptocytheridae Ostracods of the Long‐Lived Lake Ohrid: A Reappraisal of their Taxonomic Assignment and Biogeographic Origin

On the Leptocytheridae Ostracods of the Long‐Lived Lake Ohrid: A Reappraisal of their Taxonomic Assignment and Biogeographic Origin

Environmental changes and diversification ofCyprideis in the Late Miocene of the Styrian Basin (Lake Pannon, Austria)

Diversification of the shell shape and size in Baikal Candonidae ostracods inferred from molecular phylogeny

Contact Info

Product

Resources

About