CATALOG OF ORIGINAL DESCRIPTIONS: Globigerinoides triloba aspera Petri 1954
This page provides data from the catalog of type descriptions. The catalog is sorted alphabetically. Use the current identification link to go back to the main database.
Citation: Globigerinoides triloba aspera Petri 1954Taxonomic rank: sub-speciesType specimens: pl. 12, figs. 12- 13Type sample (& lithostrat): Ditch sample from 265- 268 m. in well no. CR-1-PAType age (chronostrat): Miocene, zone of Bolivina plicatellaType locality: Cururú River valley, on the north side of Marajó Island, about 165 km. northwest of Belém, State of Pará, BrazilType repository: Belem; Laboratório de Paleontologia do Conselho Nacional do Petróleo, Belém, State of Pará, Brazil
Current identification:
Original Description Descriao. - Testa aproximadamente oval, com poucas voltas do carpo, sendo que as camaras aumentam rapidamente de tamanho; tres grandes camaras formam a última volta do carpo, a qual constitue quase a totalidade da testa; as voltas anteriores, visíveis do lado dorsal, constituem como que um apendice da t esta; a última camara é bem maior que as duas precedentes; suturas deprimidas porém um tanto rasas para o genero; parede grosseiramente perfurada, com grossas reticulacoes formando depressoes hexagonais; as aberturas, geralmente em número de dais, sao estreitas e situadas na linha de sutura da última camara, nos pontos de uniao das suturas formadas pel as duas cimar as precedentes, com a sutura formada pela última cimara; o umbílico é indistinto. Size: holótipo: Diametros 0.28 mm. e o.22 mm.; espessura, cerca de 0.21 mm. Extra details from original publication Discussao. - Apresente variedade se distingue da forma típica de Globigerinoides triloba (Reuss) pela ornamentacao da parede com grossas reticulacoes hexagonais e pelas aberturas em estreitas fendas, nao existindo uma abertura principal. Com referencia a ornamentacao, se aproxima de Globigerina hexagona Natland, de que se distingue pelas aberturas múltiplas e pelo arranjo e número de cfunaras por volta do carpo.
References:
Petri, S. (1954). Foraminiferos fosseis da Bacia do Marajó. Boletim da Faculdade de Filosofia Ciências e Letras, Universidade de São Paulo, Geologia. 176: 1-173. gs
Globigerinoides triloba aspera compiled by the pforams@mikrotax project teamviewed: 14-9-2026
These terms and conditions contain rules about posting comments. By submitting a comment, you are declaring that you agree with these rules:
Although the administrator will attempt to moderate comments, it is impossible for every comment to have been moderated at any given time.
You acknowledge that all comments express the views and opinions of the original author and not those of the administrator.
You agree not to post any material which is knowingly false, obscene, hateful, threatening, harassing or invasive of a person's privacy.
The administrator has the right to edit, move or remove any comment for any reason and without notice.
Failure to comply with these rules may result in being banned from submitting further comments.
These terms and conditions are subject to change at any time and without notice.
{"commentics_url":"\/\/www.mikrotax.org\/comments\/","page_id":1514630,"enabled_country":true,"country_id":0,"enabled_state":false,"state_id":0,"enabled_upload":false,"maximum_upload_amount":3,"maximum_upload_size":5,"maximum_upload_total":5,"captcha":true,"captcha_url":"https:\/\/www.mikrotax.org\/comments\/frontend\/index.php?route=main\/form\/captcha&page_id=1514630","cmtx_wait_for_comment":"cmtx_wait_for_comment","lang_error_file_num":"A maximum of %d files are allowed to be uploaded","lang_error_file_size":"Please upload files no bigger than %.1f MB in size","lang_error_file_total":"The total size of all files must be less than %.1f MB","lang_error_file_type":"Only image file types are allowed to be uploaded","lang_text_loading":"Loading ..","lang_placeholder_country":"Country","lang_placeholder_state":"State","lang_text_country_first":"Please select a country first","lang_button_submit":"Add Comment","lang_button_preview":"Preview","lang_button_remove":"Remove","lang_button_processing":"Please Wait.."}
Comments