Definition of Biostratigraphically. Meaning of Biostratigraphically. Synonyms of Biostratigraphically

- upon the fossil species found within each section. Basic concepts of biostratigraphic principles were introduced in the early 1800s. A Danish scientist and...
- of particular fossil taxa. A unit defined in this way is known as a biostratigraphic unit, generally shortened to biozone. The five commonly used types...
- Watinoceras is a genus of acanthoceratid ammonite that lived during the early Turonian stage of the Late Cretaceous. Early whorls are compressed, finely...
- Pachydiscus is an extinct genus of ammonite from the Late Cretaceous and Early Paleocene with a worldwide distribution, and type for the desmoceratacean...
- In biostratigraphy, biostratigraphic units or biozones are intervals of geological strata that are defined on the basis of their characteristic fossil...
- Calpionellites is an extinct genus of single celled eukaryotes. Their fossils are found in rocks dating to the Valanginian stage of the Early Cretaceous...
- Psiloceras is an extinct genus of ammonite. Psiloceras is among the earliest known Jur****ic ammonites, and the appearance of the earliest Psiloceras species...
- base of the Hettangian Stage, and so of the Jur****ic System itself. Biostratigraphically, the first appearance of psiloceratid ammonites has been used; but...
- Bifericeras is a Lower Jur****ic ammonite belonging to the family Eoderoceratidae, and sometimes placed in the subfamily Xipherceratinae. Whorls are strongly...
- Watsonella is an extinct genus of mollusc known from early (Terreneuvian) Cambrian strata. It has been hypothesized to be close to the origin of bivalves...