| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Echinarachnius
Taxonomy
Echinarachnius was named by Gray (1825) [Sepkoski's age data: T Mi-m R]. It is extant.
It was reranked as Scutella (Echinarachnius) by Clark (1909); it was corrected as Echinarachinus by Wagner (1974).
It was assigned to Scutella by Clark (1909); to Echinoidea by Pack (1909); to Scutellidae by Grant and Hertlein (1938); to Scutellidae by Clark and Twitchell (1915), Cooke (1942); to Echinarachniidae by Durham (1955), Durham (1966), Wagner (1974); and to Clypeasteroida by Sepkoski (2002).
It was reranked as Scutella (Echinarachnius) by Clark (1909); it was corrected as Echinarachinus by Wagner (1974).
It was assigned to Scutella by Clark (1909); to Echinoidea by Pack (1909); to Scutellidae by Grant and Hertlein (1938); to Scutellidae by Clark and Twitchell (1915), Cooke (1942); to Echinarachniidae by Durham (1955), Durham (1966), Wagner (1974); and to Clypeasteroida by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1825 | Echinarachnius Gray p. 428 |
| 1909 | Scutella (Echinarachnius) Clark p. 140 |
| 1909 | Echinarachinus Pack p. 281 |
| 1915 | Echinarachnius Clark and Twitchell p. 195 |
| 1938 | Echinarachnius Grant and Hertlein p. 56 |
| 1942 | Echinarachnius Cooke p. 16 |
| 1955 | Echinarachnius Durham p. 163 figs. Figs. 1, i; 3, b; 6, e; 8, a; 9, a; 10, a; 23; 24; 26, 1; 3;4, a-c; pl. 2, fig. 4 |
| 1966 | Echinarachnius Durham p. U481 |
| 1974 | Echinarachinus Wagner p. 109 |
| 2002 | Echinarachnius Sepkoski |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. Echinarachnius Gray 1825
show all | hide all
†Echinarachnius alaskense Durham 1957
†Echinarachnius andersoni Twitchell 1905
†Echinarachnius astrodapsoides Wagner 1974
†Echinarachnius brewerianus Rémond 1863
†Echinarachnius newcombei Kew 1920
Echinarachnius parma Lamarck 1816
†Echinarachnius parma obesa Clark 1914
†Echinarachnius plafkeri Wagner 1974
†Echinarachnius ungaensis Wagner 1974
Diagnosis
No diagnoses are available