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Mellitidae

Description

Mellitidae is a family of sand dollars, in the echinoderm order Clypeasteroida. These irregular sea urchins bury themselves in soft sediment in shallow seas.


Source Data
SourceIDLink
Global Biodiversity Information Facility ID (GBIF)9519https://www.gbif.org/species/9519
PaleoBioDB ID (PBDB)168493https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=168493
Rankfamily
Taxonomy (GBIF)Life : Animalia : Echinodermata : Echinoidea : Clypeasteroida : Mellitidae
Taxonomy (PBDB)Life : Animalia : Echinodermata : Echinoidea : Clypeasteroida : Mellitidae
Taxonomic Status (GBIF)accepted
Classification
(PBDB,GBIF)
RankNameAuthor
-Eukaryota
-OpisthokontaCavalier-Smith 1987
kingdomAnimalia
-TriploblasticaLankester 1877
-NephrozoaJondelius et al. 2002
-DeuterostomiaGrobben 1908
-Ambulacraria
phylumEchinodermataKlein 1754
subphylumEchinozoavon Zittel 1895
classEchinoidea
subclassEuechinoideaBronn 1860
superorderAcroechinoidea
-CarinaceaKroh and Smith 2010
-Irregularia
-MicrostomataSmith 1984
-NeognathostomataSmith 1981
orderClypeasteroidaAgassiz 1836
suborderScutellina
infraorderScutelliformesHaeckel 1896
familyMellitidaeStefanini 1912
Scientific NameMellitidae
Name Published InStefanini, G. 1912. Osservazioni sulla distribuzione geografica, sulla origini e sulla filogenesi degli Scutellidae. Bolletino della Società Geologica Italiana 30 (1911), 739-754.
Opinions (PBDB)
NameRankOpinionEvidenceAuthor
Mellitidaefamilybelongs to Scutellinastated without evidenceDurham, 1966
Mellitidaefamilybelongs to Scutelliformesstated with evidenceKroh and Smith, 2010
Status (PBDB)extant
Taxon Size (PBDB)33
Extant Size (PBDB)6 (18%)
First Recorded Appearance23.0 - 16.0 Ma
Miocene
Environmentmarine (based on Echinodermata)
Motilityslow-moving (based on Clypeasteroida)
Visionlimited (based on Echinoidea)
Dietdetritivore (based on Clypeasteroida)
Reproductiondispersal=water,planktonic (based on Echinodermata)
Ontogenyaccretion,addition of parts (based on Echinodermata)
Taphonomyhigh Mg calcite (based on Echinoidea)
Primary Reference (PBDB)G. Stefanini. 1912. Osservazioni sulla distribuzione geografica, sulla origini e sulla filogenesi degli Scutellidae. Bolletino della Societa Geologica Italiana 30:739-754
Wikipediahttps://en.wikipedia.org/wiki/Mellitidae

External Images

Fossil Distribution

Subtaxa

NameStatusCommon Name(s)Fossil OccurrencesOldestYoungest
Encope
genus
accepted (GBIF)
listed (PBDB)
7323.0 Ma
Miocene
0 Ma
Extant
Lanthonia
genus
accepted (GBIF)No associated record in PBDB
Leodia
genus
accepted (GBIF)
listed (PBDB)
32.59 Ma
Pleistocene
0 Ma
Extant
Mellita
genus
accepted (GBIF)
listed (PBDB)
1620.4 Ma
Miocene
0 Ma
Extant
Mellitella
genus
accepted (GBIF)
listed (PBDB)
0 Ma
Extant

Synonymy List

YearName and Author
1912Mellitidae Stefanini
1966Mellitidae Durham p. U485
2010Mellitidae Kroh and Smith p. 172

References

Durham J. W. (1966) Clypeasteroids, Treatise on Invertebrate Paleontology,Part U Echinodermata 3. The Geological Society of America and The University of Kansas Press 2, U450-U491
Kroh A., Smith A. B. (2010) The phylogeny and classification of post-Palaeozoic echinoids, Journal of Systematic Palaeontology 8 2, 147-212 doi:10.1080/14772011003603556
Serafy, D. Keith, 1979: Echinoids (Echinodermata: Echinoidea). Memoirs of the Hourglass Cruises, vol. V, pt. III. 1-120. - via Integrated Taxonomic Information System (ITIS)
Integrated Taxonomic Information System (ITIS). - via World Register of Marine Species
Stefanini, G. 1912. Osservazioni sulla distribuzione geografica, sulla origini e sulla filogenesi degli Scutellidae. Bolletino della Società Geologica Italiana 30 (1911), 739-754. - via World Register of Marine Species
Kroh, A. & Smith, A.B. (2010): The phylogeny and classification of post-Palaeozoic echinoids. Journal of Systematic Palaeontology, 8/2: 147-212. - via World Register of Marine Species
Benton, M.J. (ed). (1993). The Fossil Record 2. Chapman & Hall, London, 845 pp. - via The Interim Register of Marine and Nonmarine Genera
Parker, S.P. (ed). (1982). Synopsis and Classification of Living Organisms. McGraw-Hill, New York. 2 volumes. - via The Interim Register of Marine and Nonmarine Genera
WoRMS (Mar 2013) - via The Interim Register of Marine and Nonmarine Genera
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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