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Actinulida

Description

Actinulida are an order of hydrozoans in the subclass Trachylinae. Members of this order do not normally have a polyp stage. The medusa has a very small dome-shaped bell.


From Wikipedia article at https://en.wikipedia.org/wiki/Actinulida, which is released under the Creative Commons Attribution-Share-Alike License 3.0.
Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)1434https://www.gbif.org/species/1434
PaleoBioDB ID (PBDB)147056https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=147056
Rankorder
Taxonomy (GBIF,PBDB)Life : Animalia : Cnidaria : Hydrozoa : Actinulida
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
phylumCnidariaHatschek 1888
subphylumMedusozoa
classHydrozoaOwen 1843
orderActinulidaSwedmark and Teissier 1959
Scientific NameActinulida
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Actinulidaorderbelongs to HydrozoaimpliedBambach et al., 2007
Status (PBDB)extant
Taxon Size (PBDB)1
Extant Size (PBDB)1 (100%)
Motilityfacultatively mobile, attached
Visionblind (based on Hydrozoa)
Dietcarnivore
Ecospace CommentsCOMMENTS: Shallow infaunal tiering, facultatively motile attached or fully motile slow, and predatorial.
Taphonomyno hard parts
Primary Reference (PBDB)R. K. Bambach, A. M. Bush, and D. H. Erwin. 2007. Supplement to Autecology and the filling of ecospace: Key metazoan radiations. Palaeontology 50(1):1-22
Common Name(s) アクチヌラ
Wikipediahttps://en.wikipedia.org/wiki/Actinulida

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Halammohydridae
family		accepted (GBIF)No associated record in PBDB
Otohydridae
family		accepted (GBIF)No associated record in PBDB

Synonymy List

YearName and Author
1959Actinulida Swedmark and Teissier
2007Actinulida Bambach et al. p. S7

References

Bambach R. K., Bush A. M., et al (2007) Supplement to Autecology and the filling of ecospace: Key metazoan radiations, Palaeontology 50 1, 1-22
Cairns, Stephen D., Dale R. Calder, Anita Brinckmann-Voss, Clovis B. Castro, Daphne G. Fautin,..., 2002: Common and Scientific Names of Aquatic Invertebrates from the United States and Canada: Cnidaria and Ctenophora, Second Edition, 2002. American Fisheries Society Special Publication 28. xi + 115. - via Integrated Taxonomic Information System (ITIS)
Bouillon, J.; Boero, F. (2000). Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. Thalassia Salent. 24: 47-296 - via World Register of Marine Species
Bouillon, Jean, and Ferdinando Boero, 2000: Synopsis of the families and genera of the Hydromedusae of the world, with a list of the worldwide species. Thalassia Salentina, N. 24: Phylogeny and Classification of Hydroidomedusae. 47-296. - via Integrated Taxonomic Information System (ITIS)
WoRMS (2015) Accessed through World Register of Marine Species at http://www.marinespecies.org/ - via Dyntaxa. Svensk taxonomisk databas
Calder, D.R. (2010) Check list of Hydroids and Hydromedusae reported from the Skagerrak and Kattegat, Southern Scandinavia. WORKSHOP ON MARINE MACROFAUNA (September 2010).Sweden.Hydroids.Checklist.002.DOCX - via Dyntaxa. Svensk taxonomisk databas
Swedmark B., Teissier G. (1958c). Otohydra vagans n. g., n.sp., hydrozoaire des sables, apparanté aux Halammohydridées. Comptes rendus hebdomadaires des séances de l'Académie des sciences de Paris. 247(2): 238-240. - via World Register of Marine Species
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
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