Platystrophia
Webb60 species/subspecies of Platystrophia and divided them into three main morphological groups: uniplicate, biplicate, and trip licate, and each group was shown to have a specific geological range. Williams (1962) and Wright (1964), however, regarded McEwan's classification of Platystrophia to be artificial. Alber- WebbPlatystrophia Name Synonyms Platistrophia Quenstedt, 1870 Homonyms Platystrophia King, 1850 Bibliographic References. Hallan, J. (2000-current). Biology Catalog (2012 …
Platystrophia
Did you know?
Under ordovicium skedde en fortsatt utveckling av de livsformer som uppstod under kambrium i flera nya arter. Det är i ordoviciska bergarter som man har hittat de första fossilen efter den typ av ryggradsdjur som i devon gav upphov till de första landlevande djuren. Början av denna period var mycket varm vilket fick till följd att havsnivåerna steg stadigt under hela den första halvan av ordoviciu… Webb11 apr. 2024 · É no período Siluriano que os Braquiópodes são os mais comuns organismos com concha, compondo 80% das espécies totais como os Pentâmeras. Já os dos Nautilóides estão no apogeu, e deixarão exemplares vivos até os tempos modernos. Espécime de braquiópode bem fóssil bem conhecida, o Grammysia cingulata possuíam …
WebbExternally Platystrophia resembles a spiriferid brachiopod, but the lack of a spiral brachidium and details of shell structure indicate that it is an orthid. Platystrophiais recorded from the Cincinnatian Series and also from Silurian rocks of Ohio. McFarlan (1931): (under Platystrophia)
WebbPlatystrophia (Orthida) and new related Ordovician and Early Silurian brachiopod genera. Estonian Journal of Earth Sciences 56, 1, 11-34. Rubel, M. P. 1963. Silurian brachiopods Orthida of Estonia. ENSV TA Geoloogia Instituudi uurimused XIII ... Webb4 mars 2024 · English: Platystrophia ponderosa Foerste, 1909 - fossil brachiopods in the Ordovician of Kentucky, USA. This species is also known as Vinlandostrophia …
WebbFossilworks hosts query, analysis, and download functions used to access large paleontological data sets. It presents taxonomic, distributional, and ecological data about the entire fossil record.
WebbArticulate brachiopod. Differs from other species of Platystrophia by having a very strong median placation in the sulcus, by having the sides of the pedicle valve flattened and hollowed out, by having more than 9 plications on each side of the fold or sinus, and by having somewhat alate cardinal extremities. Ranges from McMillian – Liberty twitter russia polandPlatystrophia is an extinct genus of brachiopods that lived from the Ordovician to the Silurian in Asia, Europe, North America, and South America. It has a prominent sulcus and fold. It usually lived in marine lime mud and sands. Visa mer Platystrophia ponderosa has been found in the Fairview and Oregonia (=Arnheim) Formations, Platystrophia clarksvillensis in the Waynesville and Liberty Formations, and Platystrophia cypha from Grant Lake to the Liberty … Visa mer Species in the genus Platystrophia include: • P. acutilirata (Conrad, 1842) • P. amoena McEwan, 1919 • P. annieana Foerste, 1910 Visa mer • Fossils (Smithsonian Handbooks) by David Ward (Page 79) Visa mer talbots track returnWebbExternally Platystrophia resembles a spiriferid brachiopod, but the lack of a spiral brachidium and details of shell structure indicate that it is an orthid. Platystrophia is … twitter russian media monitorWebbPlatystrophia is een geslacht van uitgestorven brachiopoden, dat voorkwam tijdens het Ordovicium. Beschrijving. De schelp van deze middelgrote brachiopode (lengte vier centimeter) is qua omtrek bijna rechthoekig met zeer bolle kleppen. Langs de … talbots tree farmWebbPlatystrophia is a common fossil that occurs in many species and sizes throught the Ordovician. Over 150 different species of Platystrophia have been described, but … twitter ruth sent ushttp://tennesseefossils.com/FossilList/Platystrophia.php twitter ruth 999WebbFossilworks hosts query, analysis, and download functions used to access large paleontological data sets. It presents taxonomic, distributional, and ecological data … twitter russian girl