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Echinocyamus
Taxonomy
Echinocyamus was named by van Phelsum (1774) [Sepkoski's age data: K Maes R]. It is extant. Its type is Spatangus pusillus.
It was assigned to Echinocyamidae by Cooke (1942); to Fibulariidae by Clark and Twitchell (1915), Grant and Hertlein (1938), Durham (1955), Durham (1966), Nisiyama (1968), Kier (1968), Wagner (1974), Kier (1980) and Kier (1997); and to Clypeasteroida by Sepkoski (2002).
It was assigned to Echinocyamidae by Cooke (1942); to Fibulariidae by Clark and Twitchell (1915), Grant and Hertlein (1938), Durham (1955), Durham (1966), Nisiyama (1968), Kier (1968), Wagner (1974), Kier (1980) and Kier (1997); and to Clypeasteroida by Sepkoski (2002).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1774 | Echinocyamus van Phelsum pp. 131-136 figs. pl. 1, Figs. 1-35, Pl. 2, Figs. 1-35 |
| 1841 | Anaster Sismonda p. 45 |
| 1915 | Echinocyamus Clark and Twitchell p. 119 |
| 1938 | Echinocyamus Grant and Hertlein p. 47 |
| 1942 | Echinocyamus Cooke p. 27 |
| 1955 | Echinocyamus Durham p. 133 figs. (Figs. 8, Tc; 9, 6, i; 14, a; 30, /f |
| 1966 | Echinocyamus Durham p. U469 |
| 1968 | Echinocyamus Kier p. 12 |
| 1968 | Echinocyamus Nisiyama p. 47 |
| 1974 | Echinocyamus Wagner p. 109 |
| 1980 | Echinocyamus Kier p. 34 |
| 1997 | Echinocyamus Kier p. 8 |
| 2002 | Echinocyamus Sepkoski |
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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. Echinocyamus van Phelsum 1774
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†Echinocyamus bisexus Kier 1968
†Echinocyamus chipolanus Cooke 1942
†Echinocyamus crispus Mazzetti 1893
Echinocyamus huxleyanus Meyer 1886
†Echinocyamus intermedius Hawkins 1922
†Echinocyamus meridionalis Clark and Twitchell 1915
†Echinocyamus parviporus Kier 1964
Echinocyamus parvus Emmonds 1858
†Echinocyamus petalus Kier 1964
†Echinocyamus polymorpha Duncan and Sladen 1883
†Echinocyamus prostratus Nisiyama 1968
Echinocyamus pusillus Müller 1776
†Echinocyamus terminalis Grant and Hertlein 1938
†Echinocyamus texanus Clark and Twitchell 1915
†Echinocyamus vaughani Clark and Twitchell 1915
†Echinocyamus wilsoni Kier 1997
Invalid names: Anaster Sismonda 1841 [synonym]
Diagnosis
No diagnoses are available