Globorotalia menardii description. [1] It is a single-celled animal large enough to be seen with a naked eye and is found in the fossil record back to the Paleocene. . multicamerata Cushman & Jarvis 1930 Synonyms: Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. Pale shading <50 samples in time bin. An ecological, zoogeographic and taxonomic review of Recent planktonic foraminifera. 1977. Description: Distinguished by the large laterally compressed, low trochospiral form, with five to six chambers in the final whorl, periphery lobulate, strongly keeled, sutures on spiral side strongly recurved, surface smooth and densely perforate, aperture a low, lipped arch extending from the periphery into a wide shallow umbilicus. 04 in) in size. Interpret with caution & read these notes Taxon plotted: Globorotalia miocenica, synonyms included - Globorotalia menardii miocenica; Globorotalia miocenica; Menardella miocenica; See also space-time plot :: Samples map :: Parent: menardii menardii lineageG. Because fossils are made of minerals too! Globorotalia is a genus of foraminifers belonging to the family Globorotaliidae. See also:Pulvinulina menardii tumida - type species; Globorotalia (Globorotalia) - also used a sub-genus; Original Description Test trochoid, early chambers often like Globigerina, dorsal side often flat, the ventral side broadly convex, aperture usually umbilicate, wall frequently roughened throughout, mostly pelagic. Globorotalia menardii is a perforate foraminiferan, about 1 millimetre (0. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). The reason for its high abundance in the water-column is not yet clear. Preferences are pronounced for warm sea surface temperatures and normal marine salinities. Taxonomic discussion: Brummer & Kucera (2022) present a long, detailed and well-argued case that the correct name for this taxon is G. gibberula Bé, 1977) Bé, A. Test biconvex, wall calcareous, perforate, surface smooth, no spines; chambers nearly flat, semi-circular on the spiral side, slightly inflated, subtriangular on the umbilical side, rapidly increasing in size as added, chamber arrangement trochospiral; periphery keeled, sutures curved on the spiral side, radial on the umbilical side; aperture lo Globorotalia menardii is very rare in sediments under the Benguela Current (Van Leeuwen, 1989). cultrata. Globorotalia menardii (Fig. Interpret with caution & read these notes Taxon plotted: Globorotalia praemenardii, synonyms included - Globigerinoides praemenardii; Globorotalia praemenardii; Globorotalia praemenardii archaeomenardii; Globorotalia praemenardii praemenardii; Menardella praemenardii; See also space-time plot :: Samples map :: Parent: menardii lineage save plot Histogram - Neptune occurrence data from DSDP and ODP proceedings. It is a single-celled animal large enough to be seen with a naked eye and is found in the fossil record back to the Paleocene. H. W. 22) occurs in subtropical and tropical water masses with a clear maximum in relative abundances in equatorial and tropical environments. archeomenardii - menardii, limbata - miocenica & exilis - pertenius lineages Globorotalia pertenuisGloborotalia exilisGloborotalia multicamerataGloborotalia miocenicaGloborotalia pseudomiocenicaGloborotalia limbataGloborotalia menardiiGloborotalia praemenardiiGloborotalia archeomenardii Taxonomy Citation: Globorotalia multicamerata Cushman & Jarvis 1930 Taxonomic rank: species Basionym: Globorotalia menardii var. 4 days ago ยท original description (of Globorotalia menardii subsp. 3il ptr tvfp 7qmkx iml8 kpl0usb dusmmu 1drnxg 1vs9 zwm