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Mactrotoma

Photos

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Source Data

Source	ID	Link
Global Biodiversity Information Facility ID (GBIF)	2286406	https://www.gbif.org/species/2286406
PaleoBioDB ID (PBDB)	120906	https://paleobiodb.org/classic/checkTaxonInfo?taxon_no=120906

Rank

genus

Taxonomy (GBIF)

Life : Animalia : Mollusca : Bivalvia : Venerida : Mactridae : Mactrotoma

Taxonomy (PBDB)

Life : Animalia : Mollusca : Bivalvia : Veneroidei : Mactridae : Mactrotoma

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	Bivalvia	Linnaeus 1758
-	Eubivalvia	Carter 2011
subclass	Autobranchia
infraclass	Heteroconchia
-	Cardiomorphi	Ferussac 1822
-	Cardioni	Ferussac 1822
-	Cardiidia	Ferussac 1822
-	Cardiata	Ferussac 1822
superorder	Cardiiformii	Ferussac 1822
order	Cardiida	Ferussac 1822
suborder	Cardiidina	Ferussac 1822
-	Veneroidei
-	Veneroitei	Gray 1854
superfamily	Mactroidea
family	Mactridae	Lamarck 1809
genus	Mactrotoma	Dall 1894

Common Name

surfclam

Scientific Name

Mactrotoma Dall, 1894

Name Published In

Nautilus, 8

Opinions (PBDB)

Name	Rank	Opinion	Evidence	Author
Mactrotoma	subgenus	belongs to Mactra	stated with evidence	Packard, 1916
Mactrotoma	subgenus	belongs to Mactra	stated without evidence	Hodson and Hodson, 1931
Mactrotoma	genus	belongs to Mactridae	stated with evidence	Coan and Valentich-Scott, 2012

Status (PBDB)

extant

Taxon Size (PBDB)

Extant Size (PBDB)

7 (88%)

First Recorded Appearance

28.1 - 23.0 Ma
Cenozoic

Motility

facultatively mobile

Vision

blind (based on Bivalvia)

Diet

suspension feeder

Ecospace Comments

LIFE HISTORY: IS, MA, UN, SU according to Todd (2001).

Taphonomy

aragonite (based on Bivalvia)

Primary Reference (PBDB)

A. J. W. Hendy, D. P. Buick, and K. V. Bulinski, C. A. Ferguson, A. I. Miller. 2008. Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions.

Common Name(s)

Surfclam

External Images

Fossil Distribution

Subtaxa

Name	Status	Common Name(s)	Fossil Occurrences	Oldest	Youngest
Mactrotoma angulifera species	accepted (GBIF)	No associated record in PBDB
Mactrotoma angusta species	accepted (GBIF) listed (PBDB)		6	5.33 Ma Miocene	0 Ma Extant
Mactrotoma antecedens species	accepted (GBIF)	No associated record in PBDB
Mactrotoma californica species	accepted (GBIF) listed (PBDB)		8	28.1 Ma Oligocene	0 Ma Extant
Mactrotoma compressa species	accepted (GBIF)	No associated record in PBDB
Mactrotoma depressa species	accepted (GBIF)	No associated record in PBDB
Mactrotoma explanata species	accepted (GBIF)	No associated record in PBDB
Mactrotoma fragilis species	accepted (GBIF) listed (PBDB)		10	2.59 Ma Pleistocene	0 Ma Extant
Mactrotoma isthmica species	accepted (GBIF) listed (PBDB)				0 Ma Extant
Mactrotoma janeiroensis species	accepted (GBIF)	No associated record in PBDB
Mactrotoma nasuta species	accepted (GBIF) listed (PBDB)		2	0.13 Ma Pleistocene	0 Ma Extant
Mactrotoma ovalina species	accepted (GBIF)	No associated record in PBDB
Mactrotoma quirosana ✝ species	listed (PBDB)		3	20.4 Ma Miocene	3.60 Ma Pliocene
Mactrotoma surinamensis species	accepted (GBIF)	No associated record in PBDB
Mactrotoma velata species	accepted (GBIF) listed (PBDB)				0 Ma Extant

Synonymy List

Year	Name and Author
1894	Mactroderma Dall
1894	Mactrotoma Dall
1894	Micromactra Dall
1916	Mactra (Mactrotoma) Packard p. 278
1931	Mactra (Mactrotoma) Hodson and Hodson
1941	Mactra (Micromactra) Pilsbry and Olsson p. 11
2000	Mactrotoma (Micromactra) Coan et al.
2012	Mactrotoma Coan and Valentich-Scott p. 549

References

Hendy A. J. W., Buick D. P., et al (2008) Unpublished census data from Atlantic coastal plain and circum-Caribbean Neogene assemblages and taxonomic opinions

Packard E. L. (1916) Mesozoic and Cenozoic Mactrinae of the Pacific Coast of North America, University of California Publications, Bulletin of the Department of Geology 9 16, 261-360

Hodson F., Hodson H.K. (1931) Some Venezuelan Mollusks: Part 2, Bulletins of American Paleontology 16 60, 95-132

Pilsbry H. A., Olsson A.A. (1941) A Pliocene fauna from Western Ecuador, Proceedings of the Natural Sciences of Philadelphia 93, 1-79

Coan E. V., Scott P. V., et al (2000) Bivalve seashells of western North America, Santa Barbara Museum of Natural history Monographs 2, 1-764

Coan E. V., Valentich-Scott P. (2012) Bivalve Seashells of Tropical West America. Marine Bivalve Mollusks from Baja California to Northern Peru, Santa Barbara museum of Natural history monographs 6, 1-1258

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

SN2000 unverified - via The Interim Register of Marine and Nonmarine Genera

WoRMS (Mar 2013) - via The Interim Register of Marine and Nonmarine Genera

as per family - via The Interim Register of Marine and Nonmarine Genera

refer synonym source - via The Interim Register of Marine and Nonmarine Genera

Nautilus, 8 - via The Interim Register of Marine and Nonmarine Genera

Turgeon, D. D., J. F. Quinn, Jr., A. E. Bogan, E. V. Coan, F. G. Hochberg, W. G. Lyons, et al., 1998: Common and scientific names of aquatic invertebrates from the United States and Canada: Mollusks, 2nd ed.. American Fisheries Society Special Publication 26. 526. - via Integrated Taxonomic Information System (ITIS)

Coan, Eugene V., Paul Valentich Scott, and Frank R. Bernard, 2000: Bivalve Seashells of Western North America: Marine Bivalve Mollusks from Arctic Alaska to Baja California. Santa Barbara Museum of Natural History Monographs, Number 2; Studies in Biodiversity, Number 2. viii + 764. - via Integrated Taxonomic Information System (ITIS)

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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