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Stegophiura
Taxonomy
Stegophiura was named by Matsumoto (1915). It is extant.
It was assigned to Ophiomastinae by Matsumoto (1915); to Ophiurinae by Spencer and Wright (1966); to Ophiuridae by Jagt (2000) and Storc and Zitt (2008); and to Ophiopyrgidae by O'Hara et al. (2018).
It was assigned to Ophiomastinae by Matsumoto (1915); to Ophiurinae by Spencer and Wright (1966); to Ophiuridae by Jagt (2000) and Storc and Zitt (2008); and to Ophiopyrgidae by O'Hara et al. (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1915 | Stegophiura Matsumoto p. 76 |
| 1966 | Stegophiura Spencer and Wright p. U96 |
| 2000 | Stegophiura Jagt pp. 19-20 |
| 2008 | Stegophiura Storc and Zitt p. 127 |
| 2018 | Stegophiura O'Hara et al. p. 10 |
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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. Stegophiura Matsumoto 1915
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†Stegophiura eocaenus Leriche 1931
†Stegophiura hagenowi Rasmussen 1950
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Invalid names: Ophiura (Aspidura) granulosa von Hagenow 1840 [replaced], Ophiura tener Müller 1950 [synonym]
†Stegophiura nekvasilovae Storc and Zitt 2008
†Stegophiura trispinosa Jagt 2000
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. Matsumoto 1915 | Disk high, covered with plates and scales, among which the primaries are prominent. Radial shields stout, joined distally. Arm combs and genital papillse present. Oral shields oval or pyriform. Second oral tentacle pores open more or less, or entirely,outside oral slits, large, provided with numerous scales. Arms very short, very stout at base, higher than wide, rapidly tapering distally, with acute tip. Dorsal and ventral arm plates well developed, successive plates widely in contact with each other. Lateral arm plates high, with numerous arm spines, often unequal and arranged in two series. Tentacle pores large, with numerous scales. |
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Late/Upper Turonian to the top of the Early/Lower Maastrichtian or 93.50000 to 66.00000 Ma
Collections (20 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Turonian | Czech Republic | S. nekvasilovae (99235) | |
| Early/Lower Campanian | Germany | S. hagenowi (64005) | |
| Late/Upper Campanian | Belgium (Liege) | S. hagenowi (32150) S. hagenowi, S. trispinosa (32147) | |
| Late/Upper Campanian | France (Landes) | S. hagenowi (38807 38809 38810 213855 213857 213870 213878) | |
| Late/Upper Campanian | Germany (Sachsen-Anhalt) | S. hagenowi (32024) | |
| Maastrichtian | Spain | Ophiura hagenowi (59070) | |
| Early/Lower Maastrichtian | France (Landes) | S. hagenowi (214061) | |
| Early/Lower Maastrichtian | Germany (Mecklenburg-Vorpommern) | S. hagenowi (32022) | |
| Early/Lower Maastrichtian | Belgium (Liege) | S. hagenowi (32151) S. trispinosa (32148) | |
| Early/Lower Maastrichtian - Maastrichtian | Denmark | S. hagenowi (32023) | |
| Late/Upper Maastrichtian - Maastrichtian | Netherlands | S. hagenowi (32162) | |
| Late/Upper Maastrichtian - Danian | Poland | Ophiura hagenowi (64008) |