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- cephalon) of Triarthrus has opisthoparian sutures, and the right and left free cheeks that they define are yoked. The cephalon in Triarthrus is semicircular...14 KB (1,403 words) - 16:41, 16 July 2024
- Ordovician) Eodalmanitina (Middle Ordovician) Trinucleus (Middle Ordovician) Triarthrus (Late Ordovician) Most Early Silurian families constitute a subgroup of...111 KB (11,942 words) - 10:27, 28 June 2024
- coupled with low organic carbon and low organic sulfur. The trilobite Triarthrus eatoni comprises 85% of the organisms sampled at the locality, other taxa...12 KB (1,000 words) - 13:48, 26 November 2023
- Temporal range: Cambrian–Recent PreꞒ Ꞓ O S D C P T J K Pg N Fossil of Triarthrus eatoni, a trilobite Cherax wagenknechtae, a crustacean mandibulate Scientific...2 KB (136 words) - 14:37, 2 June 2024
- closely related to Artiopoda in some analyses. Restoration of the trilobite Triarthrus eatoni Fossils of Naraoia compacta (Nektaspida) Life restoration of Sidneyia...15 KB (919 words) - 14:35, 18 July 2024
- Pyritized specimen of the brachiopod Paraspirifer bownockeri Pyritized Triarthrus eatoni from Whetstone Gulf Formation Pyritized Furcaster paleozoicus from...109 KB (11,337 words) - 07:50, 20 August 2024
- Ellipsocephaloididae Family Olenidae Superfamily Incertae sedis Genus Triarthrus Wikimedia Commons has media related to Olenina. "Order - Ptychopariida...909 bytes (37 words) - 00:30, 9 December 2023
- A pair of Triarthrus trilobites with pyritized soft-tissue...193 KB (10,025 words) - 08:51, 20 August 2024
- diomedeae (Faxon, 1893) Haliporoides sibogae (De Man, 1907) Haliporoides triarthrus (Stebbing, 1914) "WoRMS - World Register of Marine Species - Haliporoides...2 KB (80 words) - 00:33, 6 January 2024
- A Triarthrus eatoni with preserved appendages. From upper New York, United States...5 KB (492 words) - 20:21, 13 August 2023
- Rhodonaspis Saltaspis Shihuigouia Sphaerophthalmus Svalbardites Talbotinella Triarthrus (/*Brongniartia EATON)? Ullaspis Westergaardia (=Sphaerophthalmoides)...3 KB (173 words) - 12:13, 6 May 2024
- †Subulites †Syringopora †Taxocrinus †Tetradium †Theelia †Treptoceras †Triarthrus †Triarthrus eatoni †Triendoceras – tentative report †Trocholites †Ulrichicrinus...14 KB (472 words) - 13:29, 23 September 2023
- is known from the Eastern Tian Shan (Central Asia). It is related to Triarthrus, but can easily be distinguished from it by an extremely long exoskeleton...2 KB (103 words) - 05:24, 6 January 2024
- =Triangullina) Trianguraspis Triarthrella Triarthroides Triarthropsis Triarthrus (=Brongniartia) Tricopelta Tricrepicephalus (=Paracrepicephalus) Trifonella...121 KB (5,369 words) - 09:04, 23 August 2024
- type locality for species †Trepospira †Trepospira illinoisensis †Triarthrus †Triarthrus becki †Tricrepicephalus †Tricrepicephalus arcuatus – type locality...71 KB (3,620 words) - 16:14, 8 August 2024
- tenuicosta †Strophomena titan †Syringopora †Tentaculites †Tetradium †Triarthrus †Triarthrus eatoni The Paleobiology Database records no known occurrences of...20 KB (725 words) - 20:53, 19 June 2023
- minuitissima †Thamnoptychia silicensis †Trematis †Trematis rugosa †Triarthrus †Triarthrus eatoni †Trigonacarpolithus †Trigonacarpolithus typicus †Trigonocarpus...46 KB (2,398 words) - 21:12, 12 April 2024
- the Cambrian Olenoides serratus and on the gill shaft of the Ordovician Triarthrus eatoni, and interpret these setae as likely used to groom the gills of...183 KB (11,959 words) - 13:36, 31 July 2024
- †Syringopora †Taeniocrada †Teganium †Tentaculites †Tetradium †Tetragraptus †Triarthrus †Uraloceras †Uraloceras burtiense †Uraloceras fedorowi †Uraloceras involutum...54 KB (2,110 words) - 18:35, 6 January 2024
- Triarthrus eatoni, one of the last ptchopariids....8 KB (616 words) - 17:00, 28 June 2024
- Triarthrus m A taxonomic genus within the family Olenidae – certain extinct ptychopariid trilobites. Triarthrus on Wikipedia.Wikipedia Triarthrus on
- researches on the development of the brachiopoda, and on the Trilobites Triarthrus and Trinudeus, were especially noteworthy. In 1892 he was appointed professor