Lophosteus undetermined

Burrow, Carole Jan, Murphy, Michael & Turner, Susan, 2023, Late Silurian to earliest Devonian vertebrate biostratigraphy of the Birch Creek II section, Roberts Mountains, Nevada, U. S. A., PaleoBios 40 (4), pp. 1-32 : 19

publication ID

https://doi.org/ 10.5070/P940454153

publication LSID

lsid:zoobank.org:pub:58312615-0833-432E-BF5D-3DFFBF361AAA

DOI

https://doi.org/10.5281/zenodo.11489364

persistent identifier

https://treatment.plazi.org/id/B21CD55B-FFCA-FFF4-5860-89D5FDEC2366

treatment provided by

Felipe

scientific name

Lophosteus undetermined
status

 

LOPHOSTEUS SP. CF. L. SUPERBUS

( FIG. 6E–G View Figure 6 ; TABLE 1 View Table 1 ; SUPPL. 1, FIGS. 1 View Figure 1 , 10, 12)

Referred specimens —Scales assigned to this species occur at levels 318’ (96.9 m), 457’ (139.3 m), 468’ (142.6 m), and possibly 527.25’ (160.7 m): Roberts Mountains Formation.

Description —The rare remains comprise scale and dermal bone fragments ( Fig. 6 View Figure 6 E-G), the former ornamented with inclined, elongate ridged tubercles ( Fig. 6E View Figure 6 ) with the best example being a broken scale from level 318’ having parallel elongate tubercles extending the length of the rhombic scale. The dermal bone fragments mostly have more stellate tubercles ( Fig. 6F View Figure 6 ).

Comparison — The best-preserved scale fragment compares closely with scales of the type species L. superbus from the upper Přidolí Ohesaare Beds , Saaremaa Island, Estonia rather than with scales of other species. (See Schultze and Märss 2004, for examples of Lophosteus spp. From the Baltic, Canada, and Russia).

Kingdom

Animalia

Phylum

Chordata

Class

Squamata

Order

Lophosteiformes

Family

Agamidae

Genus

Lophosteus

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