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Beaconichnus
Taxonomy
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Beaconichnus Gevers |
| 1975 | Beaconichnus 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. †Beaconichnus Gevers 1973
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Ichnogenus comprising 3 different types: 1) 2 narrow parallel grooves, 9 to 18 mm apart, absolutely linear or only slightly curving; length up to more than 1 m; depth and width of grooves 1 to 4 mm, very small closely spaced foot imprints may be preserved in wider trails; 2) paired parallel rows of commonly very closely spaced footprints; rows 2 to 4 cm apart, usually broadly curving; foot or claw imprints appearing as small circular pits or in larger trails commonly elongated, oblique to trend tracks; 3) large tracks, about 30 cm wide, mostly straight, consisting of short parallel rows of footprints, up to 3 cm wide, regularly arranged in sets of 3 or rarely 4, oblique (35o) to median line representing telson drag marking; distance between footprints averages 6 cm; footprint pits show angular imprints of arrowhead shape indicating bipartite spines. |
Measurements
No measurements are available
No ecological data are available
Collections
No collection or age range data are available