Hasle Formation
| Hasle Formation Stratigraphic range: Early Jurassic, 190 Ma | |
|---|---|
| Underlies | Sorthat Formation |
| Overlies | Rønne Formation |
| Thickness | 80-140 meters |
| Lithology | |
| Primary | Siltstone, Sandstone |
| Location | |
| Region | Bornholm |
| Country |
 Denmark |
The Hasle Formation is a geologic formation on the island on Bornholm, Denmark. It is of early to late Pliensbachian age. Vertebrate fossils have been uncovered from this formation.[1][2]
Vertebrates
Fish
Unidentified fin spines are known from this formation.[1]
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Genus | Species | Material | Notes | Images |
|---|---|---|---|---|
|
H. reticulatus[1] |
unknown |
 Restoration of Hybodus | ||
|
H. delabechei[1] |
unknown |
|||
|
L. hasleensis sp. n.[1] |
unknown |
|||
|
Synechodus[1] |
S. occultidens[1] |
unknown |
||
|
P. sp[1] |
unknown |
|||
|
Agaleus[1] |
A. dorsetensis[1] |
unknown |
||
Ammonites
Color key
|
Notes Uncertain or tentative taxa are in small text; |
| Genus | Species | Material | Notes | Images |
|---|---|---|---|---|
|
A. centaurus[2] |
specimens[2] |
Later renamed Beaniceras centaurus, senior synonym of Aegoceras centaurus[2] |
||
|
A. armatum[2] |
specimens[2] |
|||
|
A. capraius[2] |
specimens[2] |
|||
|
A. mangenesti[2] |
specimens[2] |
|||
|
A. pettos[2] |
specimens[2] |
Junior synonym of Coeloceras pettos, possible synonym of Coeloceras grenouillouxi[2] |
||
|
Uncertain |
? Acanthopleuroceras sp. indet.[2] |
specimens[2] |
||
|
Apderoceras[2] |
A. aculeatum[2] |
specimens[2] |
||
|
A. falcaries[2] |
specimens[2] |
|||
|
B. centaurus[2] |
specimens[2] |
Senior synonym of Aegoceras centaurus[2] |
||
|
Coeloceras[2] |
C. pettos[2] |
specimens[2] |
Senior synonym of Aegoceras pettos. Possible junior synonym of Coeloceras grenouillouxi[2] |
|
|
C. grenouillouxi[2] |
specimens[2] |
Possible senior synonym of Coeloceras pettos[2] |
||
|
Paramicroderoceras[2] |
P. fila[2] |
specimens[2] |
||
|
P.? sp indet[2] |
specimens[2] |
|||
|
P. losconnbii[2] |
specimens[2] |
|||
|
Phricedoceras[2] |
P. taylori[2] |
specimens[2] |
||
|
Platypleuroceras[2] |
P. brevispina[2] |
specimens[2] |
||
|
P. submulticum[2] |
specimens[2] |
|||
|
P. caprarium[2] |
specimens[2] |
|||
|
P. spp. indet[2] |
specimens[2] |
|||
|
Radstockiceras[2] |
R. hechingense[2] |
specimens[2] |
||
|
Tragophyloceras[2] |
T. numismale[2] |
specimens[2] |
||
|
T. sp[2] |
specimens[2] |
|||
|
U. lata[2] |
specimens[2] |
|||
|
U. sp indet[2] |
specimens[2] |
|||
See also
References
- 1 2 3 4 5 6 7 8 9 10 11 12 Rees, J. (1998). "Early Jurassic selachians from the Hasle Formation on Bornholm, Denmark" (PDF). Acta Palaeontologica Polonica. 43 (3): 43–439.
- 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 Donovan, Desmond T. & Surlyk, Finn. "Lower Jurassic (Pliensbachian) ammonites from Bornholm, Baltic Sea, Denmark" (PDF). Geological Survey of Denmark and Greenland Bulletin. 1: 555–583.