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Ellipsocephalidae ✝

Photos

Photo Gallery

Protolenus densigranulatus

Morocco

Protolenus densigranulatus

Morocco

Protolenus densigranulatus

Morocco

Protolenus densigranulatus

Morocco

Protolenus densigranulatus

Morocco

Protolenus densigranulatus

Morocco

Protolenus densigranulatus

Morocco

Protolenus densigranulatus

Morocco

Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	Not linked to a GBIF record.
PaleoBioDB ID (PBDB)	133761	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=133761

Rank

family (PBDB)

Taxonomy (PBDB)

Life : Animalia : Arthropoda : Trilobita : Redlichiida : Ellipsocephalidae

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
order	Redlichiida	Richter 1932
suborder	Redlichiina	Richter 1932
superfamily	Ellipsocephaloidea	Lin 1990
family	Ellipsocephalidae	Matthew 1887

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Ellipsocephalidae	family	belongs to Ptychopariida	stated with evidence	Whittington et al., 1997
Ellipsocephalidae	family	belongs to Ptychopariida	stated without evidence	Jell and Adrain, 2002
Ellipsocephalidae	family	belongs to Ellipsocephaloidea	implied	Landing et al., 2008
Ellipsocephalidae	family	belongs to Ellipsocephaloidea	stated with evidence	Adrain, 2011

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

541 - 516 Ma
Cambrian

Last Recorded Appearance

505 - 501 Ma
Cambrian

Environment

marine (based on Trilobita)

Motility

fast-moving (based on Redlichiida)

Vision

well-developed (based on Ellipsocephalidae)

Diet

deposit feeder (based on Redlichiida)

Ontogeny

molting,addition of parts (based on Trilobita)

Taphonomy

low Mg calcite, chitin (based on Trilobita)

Primary Reference (PBDB)

P. A. Jell and J. M. Adrain. 2002. Available generic names for trilobites. Memoirs of the Queensland Museum 48(2):331-553

Fossil Distribution

Subtaxa

Name	Status	Fossil Occurrences	Oldest	Youngest
Ellipsocephalinae ✝ subfamily	listed (PBDB)	67	541 Ma Cambrian	505 Ma Cambrian
Acadolenus ✝ genus	accepted (GBIF) listed (PBDB)	4	513 Ma Cambrian	513 Ma Cambrian
Alueva ✝ genus	doubtful (GBIF) listed (PBDB)	6	541 Ma Cambrian	513 Ma Cambrian
Asiatella ✝ genus	doubtful (GBIF) listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Berabichia ✝ genus	doubtful (GBIF) listed (PBDB)	9	530 Ma Cambrian	516 Ma Cambrian
Bergeroniaspis ✝ genus	doubtful (GBIF) listed (PBDB)	4	520 Ma Cambrian	516 Ma Cambrian
Bergeroniellus ✝ genus	doubtful (GBIF) listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Bhargavia ✝ genus	accepted (GBIF) listed (PBDB)	4	513 Ma Cambrian	513 Ma Cambrian
Cambrunicornia ✝ genus	accepted (GBIF) listed (PBDB)	4	513 Ma Cambrian	513 Ma Cambrian
Chorbusulina ✝ genus	accepted (GBIF) listed (PBDB)	2	541 Ma Cambrian	541 Ma Cambrian
Comluella ✝ genus	accepted (GBIF) listed (PBDB)	4	520 Ma Cambrian	516 Ma Cambrian
Geyerorodes ✝ genus	accepted (GBIF) listed (PBDB)
Glabrella ✝ genus	accepted (GBIF) listed (PBDB)	3	541 Ma Cambrian	513 Ma Cambrian
Hamatolenus ✝ genus	accepted (GBIF) listed (PBDB)	30	541 Ma Cambrian	513 Ma Cambrian
Kadyella ✝ genus	doubtful (GBIF) listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Kijanella ✝ genus	doubtful (GBIF) listed (PBDB)	4	520 Ma Cambrian	520 Ma Cambrian
Kingaspidoides ✝ genus	accepted (GBIF) listed (PBDB)	67	530 Ma Cambrian	505 Ma Cambrian
Kingaspis ✝ genus	accepted (GBIF) listed (PBDB)	7	541 Ma Cambrian	513 Ma Cambrian
Kymataspis ✝ genus	accepted (GBIF) listed (PBDB)	1	513 Ma Cambrian	513 Ma Cambrian
Latikingaspis ✝ genus	accepted (GBIF) listed (PBDB)	3	516 Ma Cambrian	505 Ma Cambrian
Latoucheia ✝ genus	doubtful (GBIF) listed (PBDB)	9	516 Ma Cambrian	513 Ma Cambrian
Latuzella ✝ genus	doubtful (GBIF) listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Limataceps ✝ genus	doubtful (GBIF) listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Lusatiops ✝ genus	accepted (GBIF) listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Myopsolenus ✝ genus	accepted (GBIF) listed (PBDB)
Nelegeria ✝ genus	doubtful (GBIF) listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Ourikaia ✝ genus	doubtful (GBIF) listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Paraprotolenella ✝ genus	accepted (GBIF) listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian
Protolenella ✝ genus	accepted (GBIF) listed (PBDB)	2	516 Ma Cambrian	516 Ma Cambrian
Protolenus ✝ genus	accepted (GBIF) listed (PBDB)	38	541 Ma Cambrian	513 Ma Cambrian
Pruvostinoides ✝ genus	accepted (GBIF) listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Pseudoprotolenella ✝ genus	accepted (GBIF) listed (PBDB)	2	516 Ma Cambrian	516 Ma Cambrian
Strenuella ✝ genus	accepted (GBIF) listed (PBDB)	13	520 Ma Cambrian	513 Ma Cambrian
Termierella ✝ genus	doubtful (GBIF) listed (PBDB)	1	520 Ma Cambrian	520 Ma Cambrian
Triangulaspis ✝ genus	doubtful (GBIF) listed (PBDB)	3	520 Ma Cambrian	520 Ma Cambrian
Yeshanaspis ✝ genus	accepted (GBIF) listed (PBDB)	1	516 Ma Cambrian	516 Ma Cambrian

Synonymy List

Year	Name and Author
1887	Ellipsocephalidae Matthew
1972	Protolenidae Palmer and Gatehouse p. 15
1997	Ellipsocephalidae Whittington et al. p. 302
2002	Ellipsocephalidae Jell and Adrain p. 470
2008	Ellipsocephalidae Landing et al. p. 893
2011	Ellipsocephalidae Adrain p. 104

References

Jell P. A., Adrain J. M. (2002) Available generic names for trilobites, Memoirs of the Queensland Museum 48 2, 331-553

Palmer A. R., Gatehouse C. G. (1972) Early and Middle Cambrian Trilobites from Antarctica, Contributions to the geology of Antarctica

Whittington H. B., Chatterton B. D. E., et al (1997) Trilobita. Introduction, Order Agnostina, Order Redlichiida. Volume 1, Treatise on Invertebrate Paleontology O, 1-530

Landing E., Johnson S. C., et al (2008) Faunas and Cambrian volcanism on the Avalonian marginal platform, southern New Brunswick, Journal of Paleontology 82 5, 884-905

Adrain J. M. (2011) Class Trilobita Walch, 1771, Animal biodiversity: an outline of higher-level classification and survey of taxonomic richness 3148, 104-109

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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