Perisphinctes
| Perisphinctes | |
| Waagen, 1869 | |
 Skamieniałość Perisphinctes w Muzeum Historii Naturalnej w Berlinie | |
| Systematyka | |
| Domena | |
|---|---|
| Królestwo | |
| Typ | |
| Gromada | |
| Podgromada | |
| Rząd | |
| Rodzina | |
| Rodzaj |
Perisphinctes |
Perisphinctes – wymarły rodzaj dużych (do 1 m średnicy) amonitów z rzędu Ammonitida, żyjących w okresie jurajskim. Służy jako skamieniałość przewodnia dla tego okresu[1].
Gatunki
- Perisphinctes alatus
- Perisphinctes andelotensis
- Perisphinctes anguiculus
- Perisphinctes antecedens
- Perisphinctes bifurcatoides
- Perisphinctes bifurcatoides
- Perisphinctes bifurcatus
- Perisphinctes buckmanni
- Perisphinctes crassissimus
- Perisphinctes crassus
- Perisphinctes densecostatus
- Perisphinctes eucostatus
- Perisphinctes irregularis
- Perisphinctes jubailensis
- Perisphinctes luciaeformis
- Perisphinctes mairei-matheyi
- Perisphinctes panthieri
- Perisphinctes pickeringius
- Perisphinctes plicatilis
- Perisphinctes promiscuus
- Perisphinctes pumilus
- Perisphinctes quadratus
- Perisphinctes siemirazkii
- Perisphinctes stenocycloides
- Perisphinctes tenuis
- Perisphinctes tiziani
- Perisphinctes uptonioides
- Perisphinctes wartae
Zobacz też
Przypisy
- ↑ U.S. Geological Survey: Index Fossils. [dostęp 2008-08-17]. (ang.).
Bibliografia
- The Paleobiology Database. [dostęp 2008-08-17]. (ang.).
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