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-10
... interray ( heterocrinoidal plane ) or through C ray and AE interray ( eustenocrinoidal plane ) ( Fig . 2,2 ) . The mouth of certain comasteroid crinoids is displaced toward the AB interray , accom- panied by modification of the opposite ...
... interray ( heterocrinoidal plane ) or through C ray and AE interray ( eustenocrinoidal plane ) ( Fig . 2,2 ) . The mouth of certain comasteroid crinoids is displaced toward the AB interray , accom- panied by modification of the opposite ...
Page S-11
... interray ( Fig . 2,5 ) . Among Asteroidea , the madreporite , lo- cated on the aboral side of the body in the adult , defines the CD interray , but the anus in all species possessing this vent opens more or less excentrically in the BC ...
... interray ( Fig . 2,5 ) . Among Asteroidea , the madreporite , lo- cated on the aboral side of the body in the adult , defines the CD interray , but the anus in all species possessing this vent opens more or less excentrically in the BC ...
Page S-18
... interray ) and most asteroids ( BC interray ) . In a few ophiocistioids where it is known , it is aboral , located near the mar- gin or at mid - distance between center and margin . It is lateral or on the oral side in irregular ...
... interray ) and most asteroids ( BC interray ) . In a few ophiocistioids where it is known , it is aboral , located near the mar- gin or at mid - distance between center and margin . It is lateral or on the oral side in irregular ...
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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