TRILOBITE GENERA AND SPECIES LIST
for Genera beginning with letter M

Labiostria Palmer, 1955 [Labiostria is a junior synonym of Aphelaspis, fide PALMER, 1965, although this is debated (see Chatterton & Ludvigsen, 1998)]

L. westropi Chatterton & Ludvigsen, 1998
cf. L. westropi Chatterton and Ludvigsen, 1998 [Emigrant Fm.]

Labradoria Resser, 1936

L? sp. (see Fritz, 1992) [Mural Fm.]
Lachnostoma Ross, 1951

L. latucelsum Ross, 1951 (Zone J)
L. sp. [Antelope Valley Fm.? & Ninemile Fm.]

Lancastria

L. pacifica (Palmer, 1964)

Laudonia Harrington, 1956

L. amputata Fritz, 1992
L. bispinata Harrington, 1956
L. prima (Lichman)

Leiostegium Raymond, 1913
L. manitouense Walcott, 1925
L. (Leoistegium) manitouensis Walcott, 1925
L. (Manitouella) ulrici

Lejopyge Hawle & Corda, 1847

L. acantha Robison, 1964 = L. multifora Opik, 1979
L. armata (Linnarsson, 1869) [Lincoln Peak Fm., eastern Nevada]
L. calva Robison, 1964 [Marjum & Weeks Fms., Utah; Lincoln Peak Fm., eastern Nevada]
L. laevigata (Dalman, 1828) [Lincoln Peak Fm., eastern Nevada]

Leonaspis (Acanthalomina)

L. (A.) minuta (Barrande, 1852)

Licnocephala Ross, 1951

L. bicornata Ross, 1951
L.? sp. Ross, 1951

Litocephalus

L. bilobatus (Hall and Whitfield)
L. granulomarginatus Palmer, 1960
L. verruculapeza Palmer, 1960

Lonchocephalus

L. plena

*Note: not all of the species are valid and errors in synonomy will be present. We do our best to keep up to date, but it is difficult to locate all changes. Also, not all of the authors' names are included, and may not be correct with respect to (brackets) for generic name changes. Please excuse any mistakes, as this species list is a meant as a first guide only.