''Tropiometra'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of
crinoid
Crinoids are marine animals that make up the class Crinoidea. Crinoids that are attached to the sea bottom by a stalk in their adult form are commonly called sea lilies, while the unstalked forms are called feather stars or comatulids, which are ...
s in the
monotypic
In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unispec ...
family
Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...
Tropiometridae.
Species
The following species are found in this genus:
*''
Tropiometra afra'' (Hartlaub, 1890)
*''
Tropiometra carinata'' (Lamarck, 1816)
*''
Tropiometra macrodiscus'' (Hara, 1895)
*''
Tropiometra magnifica'' AH Clark, 1936
References
Tropiometridae
Taxa named by Austin Hobart Clark
{{Crinoidea-stub