Smittinidae
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Smittinidae
The Smittinidae is a family within the bryozoan order Cheilostomatida. Colonies are encrusting on shells and rocks or upright bilaminar branches or sheets. The zooids generally have at least one adventitious avicularia on their frontal wall near the orifice. The frontal wall is usually covered with small pores and numerous larger pores along the margin. The ovicell, which broods the larva A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle. The ...e internally, is double-layered with numerous pores in the outer layer, and sits quite prominently on the frontal wall of the next zooid. Classification *Family Smittinidae ** Genus '' Alismittina'' ** Genus '' Aspericreta'' ** Genus '' Dakariella'' ** Genus '' Dengordonia'' ** Genus '' Dittomesia'' ** Genus '' Hemismittoidea'' ** Genus '' Hi ...
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Parasmittina
''Parasmittina'' is a genus of bryozoans belonging to the family Smittinidae. The genus has cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext .... Species: *'' Parasmittina abrolhosensis'' *'' Parasmittina acondylata'' *'' Parasmittina aculeata'' *'' Parasmittina acuta'' *'' Parasmittina agathae'' *'' Parasmittina alanbanneri'' *'' Parasmittina alaskensis'' *'' Parasmittina alba'' *'' Parasmittina aleutensis'' *'' Parasmittina alitis'' *'' Parasmittina amazonensis'' *'' Parasmittina anderseni'' *'' Parasmittina aotea'' *'' Parasmittina areolata'' *'' Parasmittina atypica'' *'' Parasmittina auris'' *'' Parasmittina avicularissima'' *'' Parasmittina aviculifera'' *'' Parasmittina aviculifera'' *'' Parasmittina aviculoumbonata'' *'' Parasm ...
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Smittina
''Smittina'' is a genus of bryozoans belonging to the family Smittinidae. The genus has cosmopolitan distribution. Species: *'' Smittia incisa'' *'' Smittia levinseni'' *'' Smittia robusta'' *'' Smittia schlumbergeri'' *'' Smittia subtorquata'' *'' Smittia zuccari'' *'' Smittina abditavicularis'' *'' Smittina abyssicola'' *'' Smittina acaroensis'' *'' Smittina acicularis'' *'' Smittina acuminata'' *''Smittina affinis'' *'' Smittina alata'' *'' Smittina alticollarita'' *'' Smittina altirostris'' *'' Smittina anecdota'' *'' Smittina antarctica'' *''Smittina arctica'' *'' Smittina areolata'' *'' Smittina asymmetrica'' *'' Smittina aviculifera'' *'' Smittina azorensis'' *'' Smittina baccata'' *'' Smittina bassleri'' *'' Smittina bathydonta'' *'' Smittina bella'' *'' Smittina beringia'' *'' Smittina bidentata'' *''Smittina brevis'' *'' Smittina canavarii'' *'' Smittina cervicornis'' *'' Smittina chilensis'' *''Smittina confluens'' *''Smittina confusa ...
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Eocene
The Eocene ( ) Epoch is a geological epoch (geology), epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period (geology), Period in the modern Cenozoic Era (geology), Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', "dawn") and (''kainós'', "new") and refers to the "dawn" of modern ('new') fauna that appeared during the epoch. The Eocene spans the time from the end of the Paleocene Epoch to the beginning of the Oligocene Epoch. The start of the Eocene is marked by a brief period in which the concentration of the carbon isotope Carbon-13, 13C in the atmosphere was exceptionally low in comparison with the more common isotope Carbon-12, 12C. The end is set at a major extinction event called the ''Grande Coupure'' (the "Great Break" in continuity) or the Eocene–Oligocene extinction event, which may be related to the impact of one or more large bolides in Popigai impact structure, Siberia and in what is now ...
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