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Securiconus ✝

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	4583889	https://www.gbif.org/species/4583889
PaleoBioDB ID (PBDB)	7865	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=7865

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Mollusca : Helcionellidae : Securiconus

Taxonomy (PBDB)

Life : Animalia : Mollusca : Helcionelloida : Helcionellida : Helcionellidae : Securiconus

Taxonomic Status (GBIF)

accepted

Classification
(PBDB,GBIF)

Rank	Name	Author
-	Eukaryota
-	Opisthokonta	Cavalier-Smith 1987
kingdom	Animalia
-	Bilateria
-	Eubilateria	Ax 1987
-	Protostomia	Grobben 1908
-	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca	Linnaeus 1758
class	Helcionelloida	Peel 1991
order	Helcionellida	Geyer 1994
superfamily	Helcionelloidea
family	Helcionellidae	Wenz 1938
genus	Securiconus	Jiang Zhiwen 1980

Scientific Name

Securiconus Jiang Zhiwen, 1980

Name Published In

Acta Geol. Sin. 54 (2)

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Securiconus	genus	subjective synonym of Bemella	stated with evidence	Landing, 1988
Securiconus	genus	belongs to Securiconidae	stated without evidence	Missarzhevsky, 1989
Securiconus	genus	belongs to Helcionellidae	stated without evidence	Parkhaev, 2002
Securiconus	genus	belongs to Helcionelloida	second hand	Sepkoski, 2002
Securiconus	genus	belongs to Scenellidae	stated without evidence	Bouchet et al., 2005
Securiconus	genus	belongs to Helcionellidae	stated with evidence	Wagner, 2017

Status (PBDB)

extinct

Taxon Size (PBDB)

First Recorded Appearance

541 - 530 Ma
Cambrian

Last Recorded Appearance

513 - 501 Ma
Cambrian

Motility

slow-moving (based on Helcionellidae)

Vision

blind (based on Helcionelloida)

Diet

detritivore (based on Helcionellidae)

Primary Reference (PBDB)

Z. Jiang. 1980. Monoplacophorans and gastropods fauna of the Meishucun stage from the Meishucun section, Yunnan. Dizhi Xuebao 54(2):112-123

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Anabarella emeiensis species	accepted (GBIF)	No associated record in PBDB
Bemella obscuricosta species	accepted (GBIF)	No associated record in PBDB
Bemella simplex species	accepted (GBIF)	No associated record in PBDB
Helcionella jacutica species	accepted (GBIF)	No associated record in PBDB
Securiconus anhuiensis species	accepted (GBIF)	No associated record in PBDB
Securiconus bella species	accepted (GBIF)	No associated record in PBDB
Securiconus costatus species	accepted (GBIF)	No associated record in PBDB
Securiconus costulatus ✝ species	accepted (GBIF) listed (PBDB)		1	530 Ma Cambrian	530 Ma Cambrian
Securiconus emeiensis ✝ species	listed (PBDB)		8	541 Ma Cambrian	516 Ma Cambrian
Securiconus flexa species	accepted (GBIF)	No associated record in PBDB
Securiconus incertus ✝ species	accepted (GBIF) listed (PBDB)		1	530 Ma Cambrian	530 Ma Cambrian
Securiconus jacutica species	accepted (GBIF)	No associated record in PBDB
Securiconus jacuticus ✝ species	listed (PBDB)		38	541 Ma Cambrian	520 Ma Cambrian
Securiconus minutus species	accepted (GBIF)	No associated record in PBDB
Securiconus obscuricosta ✝ species	listed (PBDB)		2	520 Ma Cambrian	516 Ma Cambrian
Securiconus simplex ✝ species	listed (PBDB)		20	541 Ma Cambrian	530 Ma Cambrian
Securiconus vulgaris ✝ species	accepted (GBIF) listed (PBDB)		2	516 Ma Cambrian	516 Ma Cambrian

Synonymy List

Year	Name and Author
1980	Securiconus Jiang
1989	Securiconus Missarzhevsky p. 174
2002	Securiconus Parkhaev p. 34
2002	Securiconus Sepkoski, Jr.
2005	Securiconus Bouchet et al. pp. 156, 241
2020	Securiconus Wagner p. G1413

References

Jiang Z. (1980) Monoplacophorans and gastropods fauna of the Meishucun stage from the Meishucun section, Yunnan, Dizhi Xuebao 54 2, 112-123

Missarzhevsky V. V. (1989) Oldest skeletal fossils of late Precambrian and early Cambrian age: a review of recent work, Trudy Geologicheskogo Instituta AN SSSR 443, 1-231

Parkhaev P. Yu. (2002) Phylogenesis and the systematics of the Cambrian univalved mollusks, Paleontological Journal 35 1, 27-39

Sepkoski, Jr. J. J. (2002) A compendium of fossil marine animal genera, Bulletins of American Paleontology 363, 1-560

Bouchet P., Rocroi J.-P, et al (2005) A nomenclator and classification of gastropod family-group names, Malacologia 47 1-2, 1-368

Wagner P. J. (2017) Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database

GBIF/Paleo Database - via The Interim Register of Marine and Nonmarine Genera

Nomenclator Zoologicus. A list of the names of genera and subgenera in zoology from the tenth edition of Linnaeus, 1758 to the end of 2004. Digitised by uBio from vols. 1-9 of Neave (ed.), 1939-1996 plus supplementary digital-only volume. http://ubio.org/NomenclatorZoologicus (as at 2006). - via The Interim Register of Marine and Nonmarine Genera

Sepkoski, J. J., Jr. (2002). A compendium of fossil marine animal genera. Bulletins of American Paleontology. 363, 1-560. - via The Interim Register of Marine and Nonmarine Genera

Acta Geol. Sin. 54 (2) - 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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