USNM Locality 38755- Cascaden Ridge, near Amy Dome, Livengood Quadrangle: Eifelian, Alaska
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
|
unclassified
|
||||||||||
|
Prodentalium sp.
|
||||||||||
|
Plagioglypta sp.
|
||||||||||
|
informal Stropheodontid indet.
|
||||||||||
| originally entered as "stropheodontid " | ||||||||||
|
Anthozoa
|
||||||||||
|
informal Tabulata indet.
Milne-Edwards and Haime 1850
|
||||||||||
| originally entered as "dendroid tabulate " | ||||||||||
|
unclassified
|
||||||||||
|
informal Echinodermata indet.
Klein 1754
|
||||||||||
| originally entered as "pelmatazoan ossicles " | ||||||||||
|
Echinoidea
- Proterocidaridae
|
||||||||||
|
Pholidocidaris sp.
Meek and Worthen 1869
|
1 specimen | |||||||||
|
Rhynchonellata
- Orthida
- Schizophoriidae
|
||||||||||
|
Schizophoria sp.
King 1850
|
||||||||||
|
Gastropoda
- Bellerophontida
- Bellerophontidae
|
||||||||||
|
Retispira sp.
Knight 1945
|
32 specimens | |||||||||
|
Bucanopsis sullivani
Blodgett 1992
|
12 specimens | |||||||||
| recombined as Retispira sullivani | ||||||||||
|
Bellerophon (Bellerophon) chapmani
Blodgett 1992
|
19 specimens | |||||||||
| recombined as Bellerophon chapmani | ||||||||||
|
Bellerophon (Bellerophon) livengoodensis
Blodgett 1992
|
67 specimens | |||||||||
| recombined as Bellerophon livengoodensis | ||||||||||
|
Gastropoda
- Euomphalina
|
||||||||||
|
? Gyronema ormistoni
Blodgett 1992
|
11 specimens | |||||||||
| recombined as Kitikamispira ormistoni | ||||||||||
|
Straparollus (Serpulospira) sp.
(Cossmann 1915)
|
1 specimen | |||||||||
| original and current combination Serpulospira | ||||||||||
|
Gastropoda
- Euomphalina
- Omphalocirridae
|
||||||||||
|
Hypomphalocirrus cf. rugosus
Linsley 1973
|
23 specimens | |||||||||
|
Gastropoda
- Euomphalina
- Euomphalidae
|
||||||||||
|
Pseudomphalotrochus linsleyi
Blodgett 1992
|
51 specimens | |||||||||
|
Straparollus (Euomphalus) bundtzeni
Blodgett 1992
|
16 specimens | |||||||||
| recombined as Euomphalus bundtzeni | ||||||||||
|
Mastigospira weberae
Blodgett 1992
|
28 specimens | |||||||||
|
Gastropoda
- Murchisoniina
- Loxonematidae
|
||||||||||
|
Clathronema cloughi
Blodgett 1992
|
34 specimens | |||||||||
|
Loxonema cingulatum
Whiteaves 1892
|
1 specimen | |||||||||
| recombined as Clathronema cingulata | ||||||||||
|
Loxonema informal sp. 1
Phillips 1841
|
1 specimen | |||||||||
|
Loxonema informal sp. 2
Phillips 1841
|
1 specimen | |||||||||
|
Gastropoda
- Murchisoniina
- Palaeozygopleuridae
|
||||||||||
|
Palaeozygopleura sp.
Horný 1955
|
1 specimen | |||||||||
|
Alaskozygopleura crassicostata
Blodgett 1992
|
102 specimens | |||||||||
|
Gastropoda
- Murchisoniina
- Soleniscidae
|
||||||||||
|
Subulites sp.
Emmons 1842
|
1 specimen | |||||||||
|
= ? Macrochilina sp.
Bayle 1880
|
Wagner 2023 | |||||||||
| synonym of Strobeus | ||||||||||
|
Strobeus aff. pulchella
(Whiteaves 1892)
|
5 specimens | |||||||||
| synonym of Bensbergia subcostata | ||||||||||
|
Gastropoda
- Murchisoniina
- Gosseletinidae
|
||||||||||
|
Buechelia nodosa
Blodgett 1992
|
171 specimens | |||||||||
|
Peruvispira churkini n. sp.
Blodgett 1992
|
3 specimens | |||||||||
| recombined as Spinulrichospira churkini | ||||||||||
|
Euryzone sp.
Koken 1896
|
1 specimen | |||||||||
|
Ptychomphalina sp.
Fischer 1885
|
1 specimen | |||||||||
|
"Pleurotomaria" aff. binodosa
Römer 1843
|
1 specimen | |||||||||
|
= Winterbergiella aff. binodosa
Römer 1843
|
Wagner 2023 | |||||||||
|
Callistadia sp.
Knight 1945
|
2 specimens | |||||||||
|
Gastropoda
- Murchisoniina
- Murchisoniidae
|
||||||||||
|
Murchisonia sp.
d'Archiac and de Verneuil 1841
|
7 specimens | |||||||||
|
Gastropoda
- Naticopsidae
|
||||||||||
|
Naticopsis (Jedria) deckeri
Blodgett 1992
|
113 specimens | |||||||||
| recombined as Jedria deckeri | ||||||||||
|
Naticopsis (Naticopsis) sp.
M'Coy 1844
|
1 specimen | |||||||||
|
Naticopsis (Naticopsis) bowsheri
Blodgett 1992
|
46 specimens | |||||||||
| recombined as Naticopsis bowsheri | ||||||||||
|
Gastropoda
- Orthonematidae
|
||||||||||
|
? Aclisina sp.
de Koninck 1881
|
1 specimen | |||||||||
| originally entered as "Aclisina? sp." | ||||||||||
|
? Stegocoelia (Taosia) sp.
(Girty 1939)
|
1 specimen | |||||||||
| original and current combination Taosia | ||||||||||
|
Trilobita
- Proetida
- Proetidae
|
||||||||||
|
Dechenella sp.
Kayser 1880
|
1 specimen | |||||||||
| see common names | ||||||||||
Geography
| Country: | United States | State/province: | Alaska | County: | Livengood B-3 Quadrangle |
| Coordinates: | 65.5° North, 148.5° West (view map) | ||||
| Paleocoordinates: | 1.0° South, 41.9° West | ||||
| Geographic resolution: | outcrop |
Time
| Period: | Devonian | Epoch: | Middle Devonian |
| Stage: | Eifelian | 10 m.y. bin: | Devonian 3 |
| *Period: | Middle Devonian | *Epoch: | Early/Lower Middle Devonian |
| *International age/stage: | Eifelian - Eifelian | ||
| Key time interval: | Eifelian | Conodont zone: | Tortodus australis |
| Age range of interval: | 393.30000 - 387.70000 m.y. ago | ||
| * legacy (obsolete) database fields | |||
Stratigraphy
| Formation: | Cascaden | ||||
| Stratigraphic resolution: | formation | ||||
| Stratigraphy comments: Tortodus australis zone (395 - 394 Ma on Gradstein et al.). Originally entered under the informal name of Cascaden Ridge Unit. Undelries Tolovana Limestone & overlies Pridoli-Emsian aged ultramafics, with Amy Creek below those. | |||||
Lithology and environment
| Primary lithology: | siltstone |
| Environment: | submarine fan |
| Geology comments: lensoid silstone channel deposit | |
Taphonomy
| Modes of preservation: | body,original calcite,replaced with calcite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | bulk,mechanical,field collection |
| Reason for describing collection: | taxonomic analysis |
| Museum repositories: | USNM |
| Taxonomic list comments:I've updated the generic taxonomy | |
Metadata
| Database number: | 3639 | ||
| Authorizer: | P. Wagner | Enterer: | P. Wagner |
| Modifier: | P. Wagner | Research group: | marine invertebrate |
| Created: | 1999-08-05 16:12:14 | Last modified: | 2019-11-11 10:52:15 |
| Access level: | the public | Released: | 1999-08-05 16:12:14 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 221. | R. B. Blodgett. 1992. Taxonomy and paleobiogeographic affinities of an early Middle Devonian (Eifelian) Gastropod faunule from the Livengood Quadrangle, East-Central Alaska. Palaeontographica Abteilung A 221:125-168 [P. Wagner/P. Wagner/P. Wagner] |
Secondary references:
| 9042 | P. J. Wagner. 2023. Paleozoic Gastropod, Rostroconch, Helcionelloid and Tergomyan Database (2006 - 2023). [P. Wagner/P. Wagner/P. Wagner] |