About
Education
Discuss
TraitBank
Sign In
Sign Up
Language
Deutsch
English
Español
français
italiano
Nederlands
Piemontèis
Português do Brasil
suomi
Türkçe
čeština
Ελληνικά
македонски
Українська
العربية
简体中文
繁體中文
names in breadcrumbs
vernacular
scientific
About
Education
Discuss
TraitBank
Sign In
Sign Up
en
Deutsch
English
Español
français
italiano
Nederlands
Piemontèis
Português do Brasil
suomi
Türkçe
čeština
Ελληνικά
македонски
Українська
العربية
简体中文
繁體中文
names in breadcrumbs
vernacular
scientific
Creatures
»
…
»
Animal
»
…
»
Echinoderms
»
…
»
Sea Urchins
»
…
»
Puffball Heart Urchins
»
…
Creatures
»
Cellular Organisms
»
Eukaryotes
»
Opisthokonts
»
Animal
»
Bilateria
»
Deuterostomes
»
Echinoderms
»
Echinozoa
»
Sea Urchins
»
Euechinoidea
»
Irregularia
»
Atelostomata
»
Spatangoida
»
Paleopneustina
»
Puffball Heart Urchins
»
Linthia
«
Linthia obesa Arnold & H. L. Clark 1934
collect
overview
data
maps
names
Mineralogy
show all
Brusca and Brusca, 2003
Cellularity and growth form
ecology literature
Fairbairn 2013
GBIF data coverage
Grabowsky 1994
iDigBio type specimen records
Mineralogy
Nebelsick 1992
Smith 1937
Ullrich-Lüter et al 2011
World Register of Marine Species
mineralized skeleton contains
Mineralogy
high-magnesium calcite
URI:
http://eol.org/schema/terms/highMgCalcite
Definition:
Calcium carbonate minerals containing high proportions of magnesium ions. At least 8 mole-% MgCO3.
Attribution:
http://paleodb.org/public/tips/ecology_tips.html
show all records