Funeralaspis Adrain & Pérez-Peris 2023, n. gen.

• Main Authors: Adrain, Jonathan M., Pérez-Peris, Francesc
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2023
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Trilobita; Lichida; Odontopleuridae; Funeralaspis; Arctic; Norway; Svalbard; Valhallfonna
• Online Access: https://doi.org/10.5281/zenodo.8282484; http://treatment.plazi.org/id/03BB87AAE13E2938FF549CA00204FE57

Funeralaspis n. gen. Type species. Funeralaspis deathvalleyensis n. sp., from the Antelope Valley Formation (Dapingian), Inyo County, California, USA (Laurentia). Other species. Possibly “ Ceratocephala sp. indet.” of Fortey (1980, p. 102, pl. 25, figs 8, 9 [only; pl. 25, fig. 10 is ceratocephaline sp.]), Valhallfonna Formation, Olenidsletta Member (Floian), Svalbard, arctic Norway (Laurentia affinity East Svalbard Terrane). Etymology. From the Funeral Mountains and the Greek noun aspis , shield. Gender is feminine. Diagnosis. Anterior cranidial border long abaxially, with fine and dense tuberculate (or granular) sculpture; most dorsal cranidial surfaces with dense sculpture of fine and medium tubercles; eye and palpebral lobe set very posteriorly, rear of palpebral lobe nearly aligned with anterior of median occipital node; fixigenal field on posterior projections present as only a tiny strip; median occipital lobe large, elevated; pair of closely spaced, short occipital spines, not diverging posterolaterally, running, in most specimens, exactly posteriorly; doublure beneath LO very long sagittally; librigenal field very broad, with medium sized tubercles restricted to roughly the adaxial half; posterior border forming a sharp angle with base of the genal spine, nearly 90 degrees, ranging from slightly acute to slightly obtuse; librigenal lateral border typically with 11 border spines, border spines restricted to lateral border and not present on basal part of genal spine; genal spine about as long as main body of librigena and slender; hypostome relatively narrow (about 1.25 times as wide as long), with ventral sculpture of dense, relatively small tubercles; thoracic segments each with a pair of tubercles on the axial ring and a prominent tubercle at the base of each posterior pleural spine, remainder of sculpture of much finer tubercles; pygidium with two axial rings each with a pair of prominent spines, four medial border spines between the major spines, and two pairs of border spines lateral to the major ...