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Etheridgellidae
Taxonomy
Etheridgellidae was named by Frizzell and Exline (1955). It is considered to be a form taxon. Its type is Etheridgella.
It was assigned to Holothuroidea by Frizzell and Exline (1955), Deflandre-Rigaud (1962), Pawson (1966), Frizzell and Exline (1966), Krainer and Mostler (1997).
It was assigned to Holothuroidea by Frizzell and Exline (1955), Deflandre-Rigaud (1962), Pawson (1966), Frizzell and Exline (1966), Krainer and Mostler (1997).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1955 | Etheridgellidae Frizzell and Exline |
| 1962 | Etheridgellidae Deflandre-Rigaud p. 65 |
| 1966 | Etheridgellidae Frizzell and Exline p. U665 |
| 1966 | Etheridgellidae Pawson p. U645 |
| 1997 | Etheridgellidae Krainer and Mostler p. 15 |
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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.
Fm. †Etheridgellidae Frizzell and Exline 1955
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G. †Dictyobractites Kristan-Tollmann 1972
G. †Etheridgella Croneis and McCormack 1932
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†Etheridgella biconvexa Summerson and Campbell 1958
†Etheridgella pentagonia Kristan-Tollmann 1963
†Etheridgella porosa Croneis and McCormack 1932
G. †Frizzellus Hampton 1958
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†Frizzellus donofrioi Kozur and Sadeddin 1990
†Frizzellus irregularis Hampton 1958
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: base of the Middle Pennsylvanian to the top of the Bathonian or 315.20000 to 165.30000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Pennsylvanian | USA (Kentucky) | Etheridgella biconvexa (97880) | |
| Virgilian | USA (Texas) | Etheridgella porosa (97877) | |
| Ladinian | Italy | Etheridgella pentagonia (50969) | |
| Julian | Hungary | Dictyobractites eurymarginata, Etheridgella pentagonia (99502) | |
| Julian | Italy | Dictyobractites eurymarginata (61746) Etheridgella pentagonia (50988) | |
| Carnian | Italy | Etheridgella pentagonia (50982) | |
| Liasicus | Austria | Frizzellus irregularis, Hamptonites ovalis (227858) | |
| Bathonian | United Kingdom (England) | Frizzellus irregularis (93826) | |
| Bathonian | Jordan | Frizzellus donofrioi (94010) | |
| Late/Upper Bathonian | United Kingdom (England) | Frizzellus irregularis (91449) |