Crinoids are marine invertebrates that make up the class Crinoidea. Crinoids that remain attached to the sea floor by a stalk in their adult form are commonly...
43 KB (4,578 words) - 11:23, 7 September 2024
The Camerata or camerate crinoids are an extinct subclass of Paleozoic stalked crinoids. They were some of the earliest crinoids to originate during the...
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The crinoid shrimp, or feather star shrimp Hippolyte catagrapha, is a species of shrimp in the family Hippolytidae Crinoid shrimps grow to up to 3 cm in...
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This list of crinoid genera is an attempt to create a comprehensive listing of all genera that have ever been considered to be crinoids, excluding purely...
308 KB (14,598 words) - 09:42, 7 September 2024
Cirrus (biology) (redirect from Cirrus (crinoid))
Look up cirrus or cirri in Wiktionary, the free dictionary. In biology, a cirrus (/ˈsɪrəs/ SIRR-əs, pl.: cirri, /ˈsɪraɪ/ SIRR-eye, from the Latin cirrus...
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Animals of Devonian Michigan (section Crinoids)
Michigan. Among the more commonly occurring specimens are bryozoans, corals, crinoids, and brachiopods. Also found, but not so commonly, are armored fish called...
17 KB (2,693 words) - 06:24, 22 February 2024
Myzostoma fuscomaculatum (redirect from Crinoid worm)
Myzostoma fuscomaculatum, the crinoid worm, is a species of marine worm in the family Myzostomatidae. Crinoid worms are tiny worms with stubby legs which...
2 KB (159 words) - 19:20, 22 December 2023
either side by brachioles, like the pinnules of a modern crinoid. Eventually, except for the crinoids, all the classes of echinoderms reversed their orientation...
79 KB (8,660 words) - 06:57, 7 September 2024
Unguitrema nigrum, also known as the Black crinoid clingfish is a species of clingfish endemic to Papua New Guinea. This species occurs Madang Lagoon...
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Agaricocrinus americanus (redirect from Mushroom crinoid)
Agaricocrinus americanus, also known as the mushroom crinoid or American crinoid, is a species of extinct crinoid. Its fossils can be found in the U.S. states...
4 KB (411 words) - 04:34, 21 April 2024
Allogalathea elegans (redirect from Crinoid squat lobster)
Allogalathea elegans (known as the feather star squat lobster, crinoid squat lobster or elegant squat lobster) is a species of squat lobster that is sometimes...
10 KB (1,027 words) - 11:22, 11 December 2023
The Denbury Crinoidal Limestone is a geologic formation in England. It preserves fossils dating back to the Devonian period. Earth sciences portal England...
1 KB (58 words) - 11:33, 11 February 2024
Indian bead (category Prehistoric crinoids)
a colloquial American term for a fossilized stem segment of a columnal crinoid, a marine echinoderm of the class Crinoidea. The fossils, generally a centimeter...
2 KB (187 words) - 05:34, 20 January 2018
St. Cuthbert's beads (category Prehistoric crinoids)
Cuddy's beads) are fossilised portions of the "stems" of crinoids from the Carboniferous period. Crinoids are a kind of marine echinoderm which are still extant...
6 KB (731 words) - 21:19, 7 March 2024
Marble is a black, bituminous coraliferous limestone containing fossil crinoids of the Lower Carboniferous (Mississippian ), some 325 million years ago...
3 KB (260 words) - 09:30, 29 October 2023
brachiopods, ammonoids, hederelloids, microconchids and echinoderms (especially crinoids).[citation needed] The diversity of brachiopods and fusilinid foraminiferans...
110 KB (11,562 words) - 04:37, 2 September 2024
Bathycrinus australis is a species of sea lily, a crinoid in the family Bathycrinidae. It is native to deep water in the Antarctic Ocean. It was initially...
2 KB (152 words) - 20:26, 30 April 2023
most of the grains are crinoid ossicles. In older literature, the word is sometimes used to refer to individual fossil crinoids, but this usage is obsolete...
2 KB (162 words) - 12:30, 6 January 2022
Aethocrinus is an early-diverging crinoid reported from the Early Ordovician. Its five arms bifurcate. The contested Echmatocrinus notwithstanding, it...
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Comatulida is an order of crinoids. Members of this order are known as feather stars and mostly do not have a stalk as adults. The oral surface with the...
9 KB (1,042 words) - 21:08, 26 August 2024
Onychocrinus (category Prehistoric crinoid genera)
Onychocrinus is an extinct genus of crinoids. This genus is known in the fossil records of the Carboniferous period of United States and Canada (age range:...
2 KB (218 words) - 19:07, 22 March 2024
The elegant feather star (Tropiometra carinata) is a species of crinoid in the family Tropiometridae. Elegant feather stars may grow to 20 cm in total...
3 KB (199 words) - 14:32, 21 June 2024
they had with crinoids. Platyceratids are thought to have been parasitic on crinoids, either drilling into the stomach to steal the crinoid's food in a form...
4 KB (361 words) - 13:41, 28 February 2024
Antarctic strawberry feather star, is a species of stemless, free-swimming crinoid. It was one of several new species of Promachocrinus to be described in...
3 KB (304 words) - 17:55, 7 December 2023
known as crinoids. He and his collaborator, Frank Springer, published numerous articles on the subject and built an exceptional collection of crinoid fossils...
9 KB (1,115 words) - 18:13, 11 February 2024
Millericrinida is an order of articulate crinoids that originated in the Anisian (Middle Triassic). Twitchett, Richard J.; Oji, Tatsuo. "Early Triassic...
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Scyphocrinus (category Silurian crinoids)
extinct genus of crinoids. Species belonging to this genus lived during the Silurian and Devonian periods (from 443.4 to 358.9 Ma). The crinoid genus Camarocrinus...
2 KB (110 words) - 23:38, 17 December 2021
be found at the Maysville roadcut, including trilobites, cephalopods, crinoids, gastropods, brachiopods, bryozoans. The abundance and presence of fossil...
10 KB (1,160 words) - 18:11, 8 March 2024
Silurian) near Fairborn, Ohio, U.S., showing grains mainly composed of crinoid fragments A concretionary nodular (septarian) limestone at Jinshitan Coastal...
72 KB (8,485 words) - 15:26, 13 August 2024
marine life lived at this time, including trilobites, brachiopods, and crinoids. Changing environmental conditions led to the formation of large coal swamps...
222 KB (18,682 words) - 01:02, 11 September 2024