| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Halkieria
Taxonomy
Halkieria was named by Poulsen (1967) [Sepkoski's age data: ]. Its type is Halkieria obliqua. It is the type genus of Halkieriidae.
It was assigned to Sachitida by Sepkoski (2002); to Halwaxida by Conway Morris and Caron (2007); to Halkieriinae by Parkhaev and Demidenko (2010); and to Halkieriidae by Poulsen (1967), Conway Morris and Chapman (1997) and Kouchinsky et al. (2017).
It was assigned to Sachitida by Sepkoski (2002); to Halwaxida by Conway Morris and Caron (2007); to Halkieriinae by Parkhaev and Demidenko (2010); and to Halkieriidae by Poulsen (1967), Conway Morris and Chapman (1997) and Kouchinsky et al. (2017).
Species
Species lacking formal opinion data
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Halkieria Poulsen |
| 1981 | Dactyosachites He p. 88 |
| 1981 | Microsachites He p. 89 |
| 1984 | Acrosquama Qian and Xiao p. 72 |
| 1984 | Acuminachites Qian and Yin p. 105 |
| 1997 | Halkieria Conway Morris and Chapman p. 8 |
| 2002 | Halkieria Sepkoski |
| 2007 | Halkieria Conway Morris and Caron p. 1258 |
| 2010 | Halkieria Parkhaev and Demidenko p. 985 |
| 2017 | Halkieria Kouchinsky et al. p. 382 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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. †Halkieria Poulsen 1967
show all | hide all
†Halkieria amorphe Meshkova 1974
†Halkieria curvativa Missarzhevsky and Mambetov 1981
†Halkieria denlanatiformis Missarzhevsky and Mambetov 1981
†Halkieria evangelista Conway Morris and Peel 1995
†Halkieria mira Qian and Xiao 1984
hide
Invalid names: Sachites glossoides Gao et al. 1985 [synonym], Sachites liratus Gao et al. 1985 [synonym]
†Halkieria obliqua Poulsen 1967
†Halkieria sacciformis Meshkova 1969
†Halkieria sthenobasis Luo and Jiang 1982
hide
Invalid names: Halkieria toruliformis Wang 1994 [synonym]
†Halkieria stonei Landing et al. 1989
†Halkieria trianguliformis Missarzhevsky and Mambetov 1981
†Halkieria undulatus Wang 1994
†Halkieria wangi Parkhaev and Demidenko 2010
Invalid names: Acrosquama Qian and Xiao 1984 [synonym], Acuminachites Qian and Yin 1984 [synonym], Dactyosachites He 1981 [synonym], Microsachites He 1981 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| P. Y. Parkhaev and Y. Demidenko 2010 | "Hollow elongated asymmetrical sclerites of three distinct morphotypes, i.e., palmate, cultrate, and siculate types. Each sclerite composed of distinct base and blade, which is several times longer than base. Base usually bent towards lower side of sclerite, forming variable angle with blade. Base usually bears foramen, which often repeat shape of cross-section of sclerite base. Sclerites bent to different extent. Upper surface of sclerite usually convex, bears longitudinal (rarely transversal) ribs and carinae, sometimes ornamented by tubercles. Lower surface flattened or concave, smooth or with transversal striation." |