Jump to content

File:Walcottoceras monsense (Walcott 1924) holotype.jpg

Page contents not supported in other languages.
This is a file from the Wikimedia Commons
From Wikipedia, the free encyclopedia

Original file (772 × 1,074 pixels, file size: 371 KB, MIME type: image/jpeg)

Summary

Description
English: Lectoholotype[1] United States National Museum (USNM) 69802 of the ellesmerocerid[2] cephalopod Walcottoceras monsense (Walcott, 1924), orig. comb. Endoceras (?) monsensis, from the Lower Ordovician Mons Formation of southwestern Alberta, Canada. The specimen consists of an internal mold of a partial phragmocone (~8 chambers) without living chamber. Note the conspicious annulation and the absence of a siphuncle. a) dorsal or ventral view, b) lateral view, c) cross section.
  1. ↑ Louis R. Purnell (1968): Catalog of the Type Specimens of Invertebrate Fossils. Part I: Paleozoic Cephalopoda. United States National Museum Bulletin 262, doi:10.5479/si.03629236.262, p. 63
  2. ↑ B. Kröger, E. Landing (2007): The Earliest Ordovician Cephalopods of Eastern Laurentia - Ellesmerocerids of the Tribes Hill Formation, Eastern New York. Journal of Paleontology 81(5):841-857, doi:10.1666/pleo05-166.1
Date
Source Plate 126 (hosted on Commons as Smithsonian miscellaneous collections (1924) (14577490287).jpg) in: Cambrian and Ozarkian Brachiopoda, Ozarkian Cephalopoda and Notostraca. Pp. 477–555 in: Cambrian Geology and Paleontology IV. Smithsonian miscellaneous collections 67.
Author Charles D. Walcott (1850–1927)

Licensing

Public domain

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.

You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
 Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

Captions

Add a one-line explanation of what this file represents

Items portrayed in this file

depicts

File history

Click on a date/time to view the file as it appeared at that time.

Date/TimeThumbnailDimensionsUserComment
current03:51, 7 October 2018Thumbnail for version as of 03:51, 7 October 2018772 × 1,074 (371 KB)Gretarsson{{Information |description ={{en|1=Lectoholotype<ref name="purnell">Louis R. Purnell (1968): ''Catalog of the Type Specimens of Invertebrate Fossils. Part I: Paleozoic Cephalopoda.'' United States National Museum Bulletin 262, doi:10.5479/si.03629236.262, p. 63</ref> United States National Museum (USNM) 69802 of the ellesmerocerid<ref name="kröger&landing">B. Kröger, E. Landing (2007): ''The Earliest Ordovician Cephalopods of Eastern Laurentia - Ellesmerocerids of the Tribes Hill F...

The following page uses this file:

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it.

If the file has been modified from its original state, some details may not fully reflect the modified file.

Retrieved from "https://en.wikipedia.org/wiki/File:Walcottoceras_monsense_(Walcott_1924)_holotype.jpg"