PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Diodora

Gastropoda - Lepetellida - Fissurellidae

Taxonomy

Diodora was named by Gray (1821) [Sepkoski's age data: K Camp R]. It is extant.

It was corrected as Diadora by Wilson (1993), Jensen (1996).

It was assigned to Diodorinae by Knight et al. (1960), Perrilliat (1972), Wilson (1993), Pacaud and Le Renard (1995), Lozouet et al. (2001), Harzhauser (2002), Kosnik (2002); to Archaeogastropoda by Sepkoski (2002); to Fissurellidae by Gardner (1947), Harris and Palmer (1947), Gardner (1948), Weisbord (1962), Ladd (1966), Addicott (1970), Kensley (1972), Ward and Blackwelder (1987), Jensen (1996), Squires and Kennedy (1998), Vera-Peláez et al. (2004), Nielsen (2013); and to Diodorini by Bouchet et al. (2005), Landau et al. (2016).

Species

D. (Diodora), D. (Elegidion) marshallensis, D. arnoldi, D. aspera (syn. Fissuridea murina), D. auroraensis, D. cayenensis (syn. Fissurella alternata), D. chipolana, D. corbicula, D. densiclathrata, D. derbyi, D. diadala, D. fragilis, D. galeata, D. gibberula, D. graeca (syn. Patella apertura), D. granifera, D. griscomi, D. henekeni, D. immortalis, D. inaequalis, D. jaumei, D. jukesii, D. lincolnensis, D. lineata, D. listeri, D. meta, D. minuta, D. murina, D. mus, D. occidua, D. octogona, D. pamlicoensis, D. parviforata, D. patagonica, D. penderensis, D. pumpellyi, D. quadriradiata, D. redimicula, D. ruppelli, D. singaporensis, D. stillwaterensis, D. subcostaria, D. subelliptica, D. tenebrosa (syn. Fissurella claibornensis), D. ticaonica, D. unica, D. viridula, D. vredenburgi, Elegidion audax, Fissuridea alticosta, Fissuridea marylandica, Fissuridea nassula

Species lacking formal opinion data

D. benguelensis, D. callomarginata, D. caloosaensis, D. catillifonnis, D. daidala, D. marylandica, D. pupuyana

Synonyms

Elegidion was named by Iredale (1924). It is extant. Its type is Elegidion audax.

It was reranked as Diodora (Elegidion) by Knight et al. (1960), Ladd (1966); it was synonymized subjectively with Diodora by Landau et al. (2016).

It was assigned to Diodora by Knight et al. (1960), Ladd (1966).
Capiluna was named by Gray (1857). It is extant.

It was synonymized subjectively with Diodora by Landau et al. (2016).

It was assigned to Fissurellinae by Pacaud and Le Renard (1995).
Austroglyphis was named by Cotton and Godfrey (1934).

It was reranked as Diodora (Austroglyphis) by Knight et al. (1960); it was synonymized subjectively with Diodora by Landau et al. (2016).

It was assigned to Diodora by Knight et al. (1960).
Glyphis was named by Carpenter (1857). It is extant.

It was reranked as Fissurella (Glyphis) by Carpenter in Dall in Orcutt (1885); it was synonymized subjectively with Diodora by Landau et al. (2016).

It was assigned to Fissurella by Carpenter in Dall in Orcutt (1885).
Fissuridea was named by Swainson (1840).

It was synonymized subjectively with Diodora by Landau et al. (2016).

It was assigned to Fissurellidae by Swainson (1840); and to Emarginulidae by Martin (1904).

Synonymy list

Year	Name and author
1821	Diodora Gray
1840	Fissuridea Swainson
1857	Glyphis Carpenter p. 223
1857	Capiluna Gray
1885	Fissurella (Glyphis) Carpenter in Dall in Orcutt
1904	Fissuridea Martin p. 266
1924	Elegidion Iredale p. 220
1934	Austroglyphis Cotton and Godfrey
1947	Diodora Gardner p. 626
1947	Diodora Harris and Palmer p. 218
1948	Diodora Gardner p. 182
1960	Diodora Knight et al. p. 230
1960	Diodora (Austroglyphis) Knight et al. p. 230
1960	Diodora (Elegidion) Knight et al. p. 230
1962	Diodora Weisbord p. 50
1966	Diodora Ladd p. 31
1966	Diodora (Elegidion) Ladd p. 31
1970	Diodora Addicott p. 40
1972	Diodora Kensley p. 175
1972	Diodora Perrilliat p. 20
1987	Diodora Ward and Blackwelder p. 131
1993	Diadora Wilson p. 51
1995	Capiluna Pacaud and Le Renard p. 152
1995	Diodora Pacaud and Le Renard p. 152
1996	Diadora Jensen p. 7
1998	Diodora Squires and Kennedy p. 161
2001	Diodora Lozouet et al. p. 17
2002	Diodora Harzhauser p. 69
2002	Diodora Kosnik
2002	Diadora Sepkoski
2004	Diodora Vera-Peláez et al. p. 255
2005	Diodora Bouchet et al. p. 65
2013	Diodora Nielsen p. 37
2016	Diodora Landau et al. p. 11

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Gastropoda

Rank	Name	Author
subclass	Vetigastropoda	(Salvini-Plawen 1980)
order	Lepetellida	Moskalev 1971
superfamily	Fissurelloidea	(Fleming 1822)
family	Fissurellidae	Fleming 1822
subfamily	Fissurellinae	Fleming 1822
tribe	Diodorini	(Odhner 1932)
genus	Diodora	Gray 1821

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

G. Diodora Gray 1821

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Subg. Diodora (Diodora) Gray 1821

†Diodora (Diodora) italica Defrance 1820

Diodora arnoldi McLean 1966

Diodora aspera Rathke 1833

Invalid names: Fissuridea murina Arnold 1903 [synonym]

†Diodora auroraensis Ward and Blackwelder 1987

Diodora cayenensis Lamarck 1822

†Diodora cayenensis henekeni Maury 1917

Invalid names: Fissurella alternata Say 1822 [synonym]

†Diodora chipolana Dall 1892

†Diodora chipolana caroliniana Richards 1943

†Diodora corbicula Sowerby 1862

Diodora densiclathrata Reeve 1850

†Diodora derbyi Maury 1924

†Diodora diadala Gardner 1947

†Diodora fragilis Nielsen et al. 2004

†Diodora galeata Hebling 1779

Diodora gibberula Lamarck 1822

Diodora graeca Linnaeus 1758

Invalid names: Patella apertura Montagu 1803 [synonym]

†Diodora granifera Pease 1861

†Diodora griscomi Conrad 1834

†Diodora henekeni Maury 1917

†Diodora immortalis Maury 1924

Diodora inaequalis Sowerby 1835

Diodora jaumei Aguayo and Redher 1936

†Diodora jukesii Reeve 1850

†Diodora lincolnensis Cotton 1930

†Diodora lineata Sowerby 1835

Diodora listeri d'Orbigny 1842

Diodora meta Ihering 1927

Diodora minuta Lamarck 1822

Diodora murina Carpenter in Dall in Orcutt 1885

†Diodora mus Reeve 1850

†Diodora occidua Cotton 1930

†Diodora octogona Reeve 1850

†Diodora pamlicoensis Ward and Blackwelder 1987

Diodora parviforata Sowerby 1889

Diodora patagonica dOrbigny 1839

†Diodora penderensis Kellum 1926

†Diodora pumpellyi Gardner 1947

†Diodora quadriradiata Reeve 1850

†Diodora redimicula Say 1824

†Diodora ruppelli Sowerby 1834

†Diodora singaporensis Reeve 1850

†Diodora stillwaterensis Weaver and Van Winkle Palmer 1922

†Diodora subcostaria d'Orbigny 1852

†Diodora subelliptica Nomland 1916

†Diodora tenebrosa Conrad 1833

†Diodora tenebrosa veatchi Harris and Palmer 1947

Invalid names: Fissurella claibornensis Lea 1833 [synonym]

†Diodora tenebrosa antica Harris and Palmer 1947

†Diodora ticaonica Reeve 1850

†Diodora unica Nomland 1917

Diodora viridula Lamarck 1822

†Diodora vredenburgi Dey 1961

Invalid names: Austroglyphis Cotton and Godfrey 1934 [synonym], Capiluna Gray 1857 [synonym], Elegidion Iredale 1924 [synonym], Fissuridea Swainson 1840 [synonym], Glyphis Carpenter 1857 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragonitec

Entire body:

yesg

Adult length:

10 to < 100g

Adult width:

10 to < 100g

Adult height:

10 to < 100g

Thickness:

thing

Folds:

noneg

Ribbing:

majorg

Spines:

noneg

Internal reinforcement:

noneg

Locomotion:

facultatively mobileg

Attached:

yessuperf

Life habit:

epifaunalg

Diet:

grazerg

Diet 2:

carnivoreg

Vision:

limitedc

Comments:

LIFE HISTORY: Grazer on rock, rubble, or coral substrates and browsing carnivore according to Todd (2001).g

Created:

2009-03-16 10:41:08

Modified:

2011-09-03 16:45:53

Source: g = genus, superf = superfamily, c = class

References: Abbott and Dance 1986, Kiessling 2004, Hendy et al. 2009

Age range

Maximum range based only on fossils: base of the Cenomanian to the top of the Holocene or 100.50000 to 0.00000 Ma
Minimum age of oldest fossil (stem group age): 93.9 Ma

Collections (391 total)

Time interval	Ma	Country or state	Original ID and collection number
Oldest occurrences
Cenomanian	100.5 - 93.9	USA (Texas)	Diadora bartonvillensis (6510)
Campanian	83.6 - 72.2	South Africa	D. sp. (82729)
Danian	66.0 - 61.66	USA (Alabama)	D. mediavia (98392)
Danian	66.0 - 61.66	France	D. concentrica, D. dolloi (20816)
Danian	66.0 - 61.66	Belgium	D. concentrica (3118) D. concentrica, D. corneti, D. dolloi (22931)
Danian - Thanetian	66.0 - 56.0	USA (Louisiana)	D. sp. C, D. sp. D (52196)
Paleocene	66.0 - 56.0	Belgium	D. concentrica (3120)
Paleocene	66.0 - 56.0	Germany	D. concentrica (3114)
Selandian	61.66 - 59.24	USA (Alabama)	D. mauryi (2918 90608)
Selandian	61.66 - 59.24	Greenland	D. sp. (22945)
Selandian - Thanetian	61.66 - 56.0	USA (Alabama)	D. sp. A (80387) D. sp. A, D. sp. B (80367)
Late/Upper Paleocene	59.24 - 56.0	USA (Maryland)	D. marlboroensis (91709)
Thanetian	59.24 - 56.0	USA (Louisiana)	D. alabama (98915)
Thanetian	59.24 - 56.0	USA (Alabama)	D. alabama (90818)
Thanetian	59.24 - 56.0	USA (California)	D. sp. (214288 214290)
Early/Lower Eocene	56.0 - 48.07	USA (California)	D. sp. (111552)
Ypresian	56.0 - 48.07	USA (Alabama)	D. sp. A, D. unilineata (92375)
Ypresian	56.0 - 48.07	USA (Washington)	D. sp. (5544 5546 5547)
Ypresian	56.0 - 48.07	USA (Louisiana)	D. alabama (98919)
Ypresian	56.0 - 48.07	USA (Oregon)	Diadora sp. (200795 200797)