Rotularia is an extinct genus of planispirally coiled fossil polychaete worms in the family Serpulidae. Owing to the gastropod -like shape of Rotularia, many authors in the past …

Tubes of the characteristic serpulid species Rotularia spirulaea (Lamarck, 1818) are widespread in the Eocene of the Neo-Tethyan Realm. Here they are described from the state of Iran for …

2014年1月1日 · There are three main types of architecture defining the subfamilies Rotaliinae, Lockhartiinae and Kathininae closely evolving together. Counting the taxa per SBZ zones …

The shift from widespread eutrophic to oligotrophic conditions in shallow seas probably contributed to the LF differentiation during Paleocene-Eocene times. However, there are few …

Large Paleogene Rotaliidae all represent moderate K-strategists similar to the nummulitids to which they are associated. They arise as Tethys-wide groups during the Paleocene and reach …

2022年3月3日 · Rotaliids are one of the groups of larger foraminifera that quickly recolonized the shallow-water environments after the mass extinction at the end of the Cretaceous. Here we …

2024年11月1日 · We describe two new Late Cretaceous species, Extentaspira pichezziae gen. nov., sp. nov. and Extentaspira pampaloniae sp. nov., displaying high trochospiral test, from …

2024年7月9日 · Here are circular worm tubes of Rotalaria rotula which are fairly prevalent and much rarer straight burrows of serpulid worms. Small bivalves were common, but most were …

2014年1月1日 · The subfamily Rotaliinae (superfamily Rotaliacea, family Rotaliidae Ehrenberg, 1839) is erected to accommodate the genus Rotalia and its immediate relatives Rotorbinella …

LDE PETM MECO EECO Conclusion The generic diversity reaches its maximum in the late Danian (SBZ2); the specific diversity increases up to the late Thanetian (SBZ4). The climatic …