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Dikelocephalus minnesotensis ✝

Photos

Photo Gallery

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4635514	https://www.gbif.org/species/4635514
PaleoBioDB ID (PBDB)	56539	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=56539

Rank

species

Taxonomy (GBIF)

Life : Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : Dikelocephalus minnesotensis

Taxonomy (PBDB)

Life : Animalia : Arthropoda : Trilobita : Dikelocephalidae : Dikelocephalus : Dikelocephalus minnesotensis

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Ecdysozoa
-	Panarthropoda
phylum	Arthropoda	Latreille 1829
subphylum	Mandibulata
class	Trilobita	Walch 1771
family	Dikelocephalidae	Miller 1889
genus	Dikelocephalus	Owen 1852
species	Dikelocephalus minnesotensis	Owen 1852

Generic Name

Dikelocephalus

Scientific Name

Dikelocephalus minnesotensis Owen, 1852

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Dikelocephalus minnesotensis	species	belongs to Dikelocephalus	stated without evidence	Hughes, 1994

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

501 - 485 Ma
Cambrian

Last Recorded Appearance

499 - 485 Ma
Cambrian

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Trilobita)

Vision

well-developed (based on Dikelocephalidae)

Diet

carnivore (based on Trilobita)

Ontogeny

molting,addition of parts (based on Trilobita)

Taphonomy

low Mg calcite, chitin (based on Trilobita)

Primary Reference (PBDB)

N.C. Hughes. 1994. Ontogeny, intraspecific variation and systematics of the Late Cambrian trilobite Dikelocephalus. Smithsonian Contributions to Paleobiology 79:1-89

Fossil Distribution

Obsolete Names

Name	Source	Taxon Rank	Taxonomy
Dikelocephalus juvinalis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus juvinalis*
Dikelocephalus regalis Ulrich & Resser, 1940	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus regalis*
Dikelocephalus norwalkensis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus norwalkensis*
Dikelocephalus marginatus Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus marginatus*
Dikelocephalus thwaitesi Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus thwaitesi*
Dikelocephalus subplanus Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus subplanus*
Dikelocephalus hotchkissi Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus hotchkissi*
Dikelocephalus retrorsus Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus retrorsus*
Dikelocephalus wiltonensis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus wiltonensis*
Dikelocephalus weidmani Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus weidmani*
Dikelocephalus declivis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus declivis*
Dikelocephalus brevis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus brevis*
Dikelocephalus wisconsinensis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus wisconsinensis*
Dikelocephalus raaschi Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus raaschi*
Dikelocephalus intermidius Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus intermidius*
Dikelocephalus oweni Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus oweni*
Dikelocephalus inaequalis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus inaequalis*
Ogygia minnesotensis Chapman, 1856	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Ogygia minnesotensis*
Dikelocephalus barretti Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus barretti*
Dikelocephalus beani Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus beani*
Dikelocephalus granosus Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus granosus*
Dikelocephalus postrectus Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus postrectus*
Dikelocephalus orbiculatus Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus orbiculatus*
Dikelocephalus ovatus Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus ovatus*
Dikelocephalus edwardsi Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus edwardsi*
Dikelocephalus gracilis Ulrich & Resser, 1930	GBIF	species	Animalia : Arthropoda : Trilobita : Asaphida : Dikelocephalidae : Dikelocephalus : *Dikelocephalus gracilis*

Synonymy List

Year	Name and Author
1852	Dikelocephalus minnesotensis Owen
1856	Ogygia minnesotensis Chapman pp. 271-286
1930	Dikelocephalus barretti Ulrich and Resser pp. 1-122 figs. 1-7
1930	Dikelocephalus beani Ulrich and Resser pp. 1-122 figs. 1-2
1930	Dikelocephalus brevis Ulrich and Resser pp. 1-122 fig. 1,14
1930	Dikelocephalus declivis Ulrich and Resser pp. 1-122 fig. 15
1930	Dikelocephalus edwardsi Ulrich and Resser pp. 1-122 fig. 9
1930	Dikelocephalus gracilis Ulrich and Resser pp. 1-122 figs. 9-13
1930	Dikelocephalus granosus Ulrich and Resser pp. 1-122 fig. 6
1930	Dikelocephalus hotchkissi Ulrich and Resser pp. 1-122 figs. 2-3
1930	Dikelocephalus inaequalis Ulrich and Resser pp. 1-122 fig. 19
1930	Dikelocephalus intermidius Ulrich and Resser pp. 1-122 fig. 3
1930	Dikelocephalus juvinalis Ulrich and Resser pp. 1-122 fig. 22
1930	Dikelocephalus marginatus Ulrich and Resser pp. 1-122 fig. 15

Year	Name and Author
1930	Dikelocephalus norwalkensis Ulrich and Resser pp. 1-122 fig. 21
1930	Dikelocephalus orbiculatus Ulrich and Resser pp. 1-122 fig. 4
1930	Dikelocephalus ovatus Ulrich and Resser pp. 1-122 fig. 13
1930	Dikelocephalus oweni Ulrich and Resser pp. 1-122 figs. 5-8
1930	Dikelocephalus postrectus Ulrich and Resser pp. 1-122 fig. 20
1930	Dikelocephalus raaschi Ulrich and Resser pp. 1-122 fig. 8,10
1930	Dikelocephalus retrorsus Ulrich and Resser pp. 1-122 figs. 14-15
1930	Dikelocephalus subplanus Ulrich and Resser pp. 1-122 figs. 14-15
1930	Dikelocephalus thwaitesi Ulrich and Resser pp. 1-122 fig. 21
1930	Dikelocephalus weidmani Ulrich and Resser pp. 1-122 fig. 17
1930	Dikelocephalus wiltonensis Ulrich and Resser pp. 1-122 fig. 17
1930	Dikelocephalus wisconsinensis Ulrich and Resser pp. 1-122 figs. 9-13
1940	Dikelocephalus regalis Ulrich and Resser p. 34
1994	Dikelocephalus minnesotensis Hughes

References

Hughes N.C. (1994) Ontogeny, intraspecific variation and systematics of the Late Cambrian trilobite Dikelocephalus, Smithsonian Contributions to Paleobiology 79, 1-89

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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