Treatise on Invertebrate Paleontology: Mollusca 1. 1960, Volumes 1-6; Volume 1997"Treatise Online publishes chapters prepared for parts of the Treatise on Invertebrate Paleontology as they are ready, rather than waiting for an entire hard copy Treatise to be printed"--Treatise Online website |
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Page S-53
... Eocrinoidea Cystoidea Crinoidea Paracrinoidea Edrioblastoideak Parablastoidea : Blastoidea Somasteroidea - ASTEROZOA Asteroidea Ophiuroidea Helicoplacoidea ECHINOZOA Edrioasteroidea Ophiocistioidea Cyclocystoidea Echinoidea ...
... Eocrinoidea Cystoidea Crinoidea Paracrinoidea Edrioblastoideak Parablastoidea : Blastoidea Somasteroidea - ASTEROZOA Asteroidea Ophiuroidea Helicoplacoidea ECHINOZOA Edrioasteroidea Ophiocistioidea Cyclocystoidea Echinoidea ...
Page S-54
... EOCRINOIDEA The oldest known crinozoans are Lower Cambrian members of the Eocrinoidea ( Fig . 21 ) . This group , introduced by JAEKEL ( 1918 ) as a subclass of the Crinoidea , was elevated to class rank by REGNéll ( 1945 ) . It ...
... EOCRINOIDEA The oldest known crinozoans are Lower Cambrian members of the Eocrinoidea ( Fig . 21 ) . This group , introduced by JAEKEL ( 1918 ) as a subclass of the Crinoidea , was elevated to class rank by REGNéll ( 1945 ) . It ...
Page S-275
... Eocrinoidea of the class Crinoidea . As related forms , he mentioned Amygdalocystites and Comaro- cystites . Under the latter , he expressed doubt about position , and suggested that the uniserial condition of the ambulacral system , if ...
... Eocrinoidea of the class Crinoidea . As related forms , he mentioned Amygdalocystites and Comaro- cystites . Under the latter , he expressed doubt about position , and suggested that the uniserial condition of the ambulacral system , if ...
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Common terms and phrases
aboral ambulacra ambulacral grooves ambulacrum anal pyramid anus arms Asteroblastidae asteroids attached axocoel BARRANDE basal BASSLER BATHER blastoids brachiole facets branches carpoids Caryocrinites Caryocystitida Cheirocrinus circlet classes coelom column covering plates Crinoidea crinoids Crinozoa cystis Cystoblastus Cystoidea cystoids derms Devonian diplopores Diploporita distal echino echinoderms echinoids Echinosphaerites Echinozoa EICHWALD elongate Eocrinoidea eocrinoids epitheca family-group flooring plates FOERSTE fossil genera genus Glyptocystitida Glyptosphaeritida gonopore groups HAECKEL hemal Hemicosmitida holothuroids hydrocoel hydropore hyponeural interambulacral interray JAEKEL JAEKEL 69 Kesling known L.Ord larva M.Ord madreporite Middle Ordovician mouth numerous oids ophiuroids oral region Order paracrinoids pectinirhombs Pelmatozoa pelmatozoan periproct peristome pinnules plate diagram Pleurocystites Polycosmitida pore canals pore rhombs posterior radial REGNÉLL Rhombifera ridges side Silurian slits somatocoel specimens Sphaeronitidae Stage structure superfamily suture symmetry taxa taxonomic TERMIER text fig theca Theca ovate thecal plates thecal pores tion Treatise type species U.Ord