Table 1. Summary of newly added olsoniform taxa.
| Taxon | Time | Location | References | Completeness |
|---|---|---|---|---|
| Anakamacops petrolicus | Middle Permian | China (Gansu) | Li & Cheng (1999), Liu (2018) | 68 (62.3%) |
| Aspidosaurus binasser | Early Permian | USA (TX) | Berman & Lucas (2003) | 55 (50.4%) |
| Aspidosaurus chiton | Early Permian | USA (TX) | Broili (1904) | 22 (20.1%) |
| Aspidosaurus novomexicanus | Late Carboniferous | USA (NM) | Williston (1911), Carroll (1964a) | 23 (21.1%) |
| Brevidorsum profundum | Early Permian | USA (TX) | Carroll (1964a) | 30 (27.5%) |
| Broiliellus arroyoensis | Early Permian | USA (TX) | DeMar (1967) | 25 (22.9%) |
| Broiliellus brevis | Early Permian | USA (TX) | Carroll (1964a) | 79 (72.4%) |
| “Broiliellus” hektotopos | Early Permian | USA (OH) | Berman & Berman (1975) | 40 (36.6%) |
| Broiliellus olsoni | Early Permian | USA (TX) | DeMar (1967), Bolt (1974b) | 37 (33.9%) |
| Broiliellus reiszi | Early Permian | USA (NM) | Holmes, Berman & Anderson (2013) | 88 (80.7%) |
| Broiliellus texensis | Early Permian | USA (TX) | DeMar (1966b), Bolt (1974b) | 61 (55.9%) |
| Cacops aspidephorus | Early Permian | USA (TX) | Williston (1910), Anderson (2005), Dilkes & Brown (2007), Dilkes (2009), Anderson, Scott & Reisz (2020) | 103 (94.5%) |
| Cacops morrisi | Early Permian | USA (OK) | Reisz, Schoch & Anderson (2009), Gee & Reisz (2018a), Gee, Bevitt & Reisz (2019) | 98 (89.9%) |
| Cacops woehri | Early Permian | USA (OK) | Fröbisch & Reisz (2012), Fröbisch, Brar & Reisz, 2015, Gee, Bevitt & Reisz (2019) | 72 (66.0%) |
| Conjunctio multidens | Early Permian | USA (CO, NM) | Case & Williston (1913), Carroll (1964a), Schoch & Sues (2013), Gee et al. (2021) | 59 (54.1%) |
| Diploseira angusta | Early Permian | USA (TX) | Dilkes (2020) | 50 (45.8%) |
| Dissorophus multicinctus | Early Permian | USA (TX) | DeMar (1968); Milner (2003); Dilkes (2020) | 101 (92.6%) |
| Iratusaurus vorax | Middle Permian | Russia (Bashkortostan) | Gubin (1980) | 12 (11.0%) |
| Kamacops acervalis | Middle Permian | Russia (Perm Krai) | Gubin (1980); Schoch (1999) | 31 (28.4%); 51 (46.7%) |
| Nooxobeia gracilis | Middle Permian | USA (OK) | Gee, Scott & Reisz (2018) | 19 (17.4%) |
| Palodromeus bairdi | Late Carboniferous | USA (OH) | Schoch, Henrici & Hook (2020) | 70 (62.5%) |
| Parioxys bolli | Early Permian | USA (TX) | Carroll (1964b) | 11 (10.0%) |
| Platyhystrix rugosa | Early Permian | USA (CO, NM) | Berman, Reisz & Fracasso (1981) | 67 (61.4%) |
| Reiszerpton renascentis | Early Permian | USA (TX) | Maddin et al. (2013) | 56 (51.3%) |
| Scapanops neglectus | Early Permian | USA (TX) | Carroll (1964a), Schoch & Sues (2013) | 57 (52.2%) |
| Zygosaurus lucius | Early Permian | Russia (Bashkortostan) | Eichwald (1848), Efremov (1937) | 19 (17.4%) |
Note:
Completeness refers to percent of characters that could be scored; note that this includes cells scored as inapplicable (-), even though most programs treat these as missing data (?).