• Thumbnail for Crinoid
    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
  • Thumbnail for Camerata (crinoid)
    The Camerata or camerate crinoids are an extinct subclass of Paleozoic stalked crinoids. They were some of the earliest crinoids to originate during the...
    5 KB (321 words) - 02:08, 18 May 2024
  • Thumbnail for Crinoid shrimp
    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...
    2 KB (206 words) - 19:10, 19 May 2022
  • Thumbnail for List of crinoid genera
    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
  • 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...
    4 KB (462 words) - 01:17, 2 May 2024
  • 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
  • Thumbnail for Myzostoma fuscomaculatum
    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
  • Thumbnail for Echinoderm
    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...
    1 KB (97 words) - 06:58, 6 March 2021
  • Thumbnail for Agaricocrinus americanus
    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
  • 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
  • Thumbnail for Allogalathea elegans
    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
  • Thumbnail for St. Cuthbert's beads
    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
  • Thumbnail for Frosterley Marble
    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
  • Thumbnail for Indian bead
    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
  • 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
  • Thumbnail for Carboniferous
    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
  • Aethocrinus is an early-diverging crinoid reported from the Early Ordovician. Its five arms bifurcate. The contested Echmatocrinus notwithstanding, it...
    970 bytes (87 words) - 15:56, 23 January 2024
  • Thumbnail for Bathycrinus australis
    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
  • Thumbnail for Comatulida
    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
  • Thumbnail for Onychocrinus
    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
  • Thumbnail for Elegant feather star
    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
  • Thumbnail for Platyceratidae
    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
  • Thumbnail for Encrinite
    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
  • Thumbnail for Charles Wachsmuth
    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
  • Thumbnail for Scyphocrinus
    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
  • Thumbnail for Flexibilia
    is a superorder of specialized Paleozoic (Middle Ordovician to Permian) crinoids. They exhibited a conserved body plan and consistent suite of characteristics...
    6 KB (569 words) - 20:46, 22 February 2023
  • Thumbnail for Millericrinida
    Millericrinida is an order of articulate crinoids that originated in the Anisian (Middle Triassic). Twitchett, Richard J.; Oji, Tatsuo. "Early Triassic...
    1 KB (53 words) - 05:35, 30 June 2024
  • Thumbnail for Limestone
    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
  • 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