Genus: Hwiccewyrm BUTLER, MEADE, CLEARY, McWHIRTER, BROWN, KEMP, BENITO & FRASER, 2023
Etymology: From Hwicce, Tribal kingdom of Anglo-Sazon England covering parts of modern-day Gloucestershire, Worcestershire and Warwhickshire, including the type site, the old English, Wyrm, "dragon"

Species: trispiculum BUTLER, MEADE, CLEARY, McWHIRTER, BROWN, KEMP, BENITO & FRASER, 2023
Etymology: Latin, tri, "three", and Latin, spiculum, "spear"; and refers to the diagnostic three projections on the quadratojugal.

Holotype: UMZC 2023.4.1

Locality: Site 1, Slickstones (Cromhall) Quarry, (ST 704916), 51°6219N, 2.4299°W, Gloucestershire (Avon?) County, England, Southern United Kingdom.

Horizon: Karstic fissures in Dinatian limestone.

Biostratigraphy:

Age: Carnian/Norian Stage, or Rhaetian Stage, Upper Late Triassic Epoch, Late Triassic.

Material: Articulated anterior portion of skull, including left premaxilla, fragments of right premaxilla, left maxilla, left nasal, fragmetns of right nasal, and left ectopterygoid.

Referred material:

AUP 11308: Paried frontals.

UMZC 2023.4.2: A complete right premaxilla in articulation with right maxilla.

UMZC 2023.4.3: Left premaxilla.

UMZC 2023.4.4: Partial right premaxilla, maxilla and nasal.

UMZC 2023.4.5: Partial left maxilla.

UMZC 2023.4.6: Partial left maxilla.

UMZC 2023.4.7: Partial right maxilla.

UMZC 2023.4.8: Left frontal.

UMZC 2023.4.9: Partial left and right parietals.

UMZC 2023.4.10: Partial right parietal.

UMZC 2023.4.11: Left supratemporal.

UMZC 2023.4.12: Right supratemporla.

UMZC 2023.4.13: Left jugal, quadratojugal and fragment of quadrate.

UMZC 2023.4.14: Partial left quadratojugal.

UMZC 2023.4.15: Partial left quadratojugal.

UMZC 2023.4.16: Partial right quadratojugal.

UMZC 2023.4.17: Partial right jugal.

UMZC 2023.4.18: Articulated partial braincase.

UMZC 2023.4.19: Left dentary.

UMZC 2023.4.20: Left dentary.

UMZC 2023.4.21: Left dentary.

UMZC 2023.4.22: Left dentary.

UMZC 2023.4.23: Left dentary.

UMZC 2023.4.24: Fragment of left dentary.

UMZC 2023.4.25: Right dentary.

UMZC 2023.4.26: Fragmetn of right dentary.

UMZC 2023.4.27: Fragment of right dentary.

UMZC 2023.4.28: Fragment of right dentary.

UMZC 2023.4.29: Posterior section of left mandible.

UMZC 2023.4.30: Cervical centrum.

UMZC 2023.4.31: Complete dorsal vertebra.

UMZC 2023.4.32: Complete dorsal vertebra.

UMZC 2023.4.33: Dorsal neural arch.

UMZC 2023.4.34: Dorsla centrum.

UMZC 2023.4.35: Left rib.

UMZC 2023.4.36: Left rib.

UMZC 2023.4.37: Right rib.

UMZC 2023.4.38: Right rib.

UMZC 2023.4.39: Interclavicle.

UMZC 2023.4.40: Right scapula.

UMZC 2023.4.41: Left metacoracoid.

UMZC 2023.4.42: Left humerus.

UMZC 2023.4.43: Left humerus.

UMZC 2023.4.44: Partial left humerus.

UMZC 2023.4.45: Left radius.

UMZC 2023.4.46: Left ilium.

UMZC 2023.4.47: Left ilium.

UMZC 2023.4.48: Right ilium.

UMZC 2023.4.49: Left ischium.

UMZC 2023.4.50: Left femur.

UMZC 2023.4.51: Right femur.