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Phycodes
Taxonomy
Phycodes was named by Richter (1850). Its type is Phycodes sericeus.
It was assigned to Ichnofossils by Hantzschel (1975).
It was assigned to Ichnofossils by Hantzschel (1975).
Species
P. circinatum (syn. P. rouvillei), P. palmatum, P. palmatus, P. sericeus (type species), P. ungulatus, P. wabanensis
Synonymy list
| Year | Name and author |
|---|---|
| 1850 | Phycodes Richter |
| 1975 | Phycodes Hantzschel |
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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. †Phycodes Richter 1850
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†Phycodes palmatum Hall 1852
†Phycodes palmatus Hall 1852
†Phycodes sericeus Richter 1850
†Phycodes ungulatus Fillion and Pickerill 1990
†Phycodes wabanensis Fillion and Pickerill 1990
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Bundled structures of flabellate or broomlike pattern, consisting or horizontal tunnels; proximally part of main tunnels unbranched, distal tunnels divide at acute angles into several free cylindrical tunnels showing delicate annulation beneath thin smooth “bark”; main branches may show structure similar to retrusive spreiten (absent in P. flabellum from Cincinnatian of USA); other “species” (e.g. P. pedum and P. flabellum) vary considerably in morphology from type species wich is also variable (e.g. falcate o featherstitch-like pattern of feeding tunnels); about 15 cm long in entirety; generally preserved as convex hyporeliefs in quartzites. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Nemakit-Daldynian to the top of the Albian or 538.80000 to 100.50000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Nemakit-Daldynian | Namibia | P. sp. (237707) | |
| Nemakit-Daldynian | Russian Federation (Sakha) | P. sp. (99228) | |
| Tommotian - Atdabanian | India | P. sp. (10740) | |
| Atdabanian | Spain | P. sp. (153167 153168) | |
| Atdabanian | USA (Tennessee) | P. sp. (154045) | |
| Botomian | Poland | P. palmatum (153009) | |
| Botomian | China (Yunnan) | P. sp. (139440) | |
| Tremadoc | Canada (Newfoundland) | P. ungulatus (176069) | |
| Arenig | Canada (Newfoundland) | P. circinatus (175994) P. circinatus, P. wabanensis (175923) P. palmatus (176013) | |
| Floian | France (Montagne Noire) | Vexillum rouvillei (20827) | |
| Juuru | Estonia | P. sp. (172929) | |
| Llandovery - Pridoli | USA (Alabama) | P. flabellum (210745) | |
| Late/Upper Kimmeridgian | Germany (Baden-Württemberg) | P. sp. (154138) | |
| Aptian - Albian | Thailand (Kalasin) | P. sp. (97765) |