Table 1 in Late Silurian to earliest Devonian vertebrate biostratigraphy of the Birch Creek II section, Roberts Mountains, Nevada, U. S. A.

Table 1. Distribution of vertebrate and agnathan remains in the Birch Creek Section BCII, northern Roberts Mts. (Přidolí-Lochkovian; bold line indicates probable S/D boundary). Vertebrates are to the left above the upper horizontal line and agnathans are to the right. RP indicates Ross Parke samples. Number of elements: x 1-10, xx 11-50, xxx 51-100, xxxx>100.
UCR #Level in section(ft)tion Level (in m) sec-(UO) CONODONT OCCURRENCES LOWER (LO) AND UPPERTAXON Poracanthodes punctatusPoracanthodes canadensisporacanthodid Radioporacanthodes sensory porosus line scaleRadioporacanthodes scheiiZemlyacanthus menneriGomphonchoporus hoppeiTrundlelepis cervicostulataGomphonchus sandelensisGomphonchus sp. aff. G. mediocostatus fragmt ischnacanthiform dentigerous jaw Nostovicina laticristataNostovicina sp. cf. N. elegans Nostovicina sp. cf. N. guangxiensis Nostovicina sp. cf. N. lacrima Nostovicina or Nostolepis sp. Nostolepis matukhiniFunicristata nevadaensis n. gen. n. sp. Acanthodii indet. scales Acanthodii indet. fin spine fragmt Ellesmeria Acanthodii indet schultzei. tooth whorlPolymerolepisLophosteus sp. cf. L. superbus conical Loganellia teeth - cuneata sarcopterygian Paralogania sp. cf. readbayensisTrimerolepis sp. cf. tricava Trimerolepis sp. Goniporus alatus? Lanarkia? Turinia BoreaniaNikolivia spp. cf. gutta / auriculata Apalolepis sp. TalivaliaBarlowodus sp. cf. tridens Barlowodus sp. cf. floralis corvaspid heterostracan traquaraspid heterostracan8905886270x8904883269.1xx8903(RP)875266.7x935722.5220.2xxxxx713.5217.5 chattertoni LO7450712217xxxxxx696212.1 sexidentata LO711216.7x10805674205.4x638.5gravesi LO, eurekaensis 194.6 LO10802623189.9xx621.5189.4xxxxM28-14”/C19 7xx934613186.8xx600182.9xxxxxxxx10794599.5182.7xxx599.5182.7xxxxxxxx599.1182.6xxxxx4677591.5(sl. ST)180.3xxxx4677591.5(sl. 2)180.3xxxxx4677591.5(sl. 1)180.3xxx?x10788592180.4xx581.5177.2xx579.5176.6x576.5175.7x575.5175.4x949567.3175.7xxxx5443567172.8 hesperius LO948564171.9xxxxx562.6(‘01)171.5xxxxx562.6171.5xxxxxxx562.5171.4 augustidens LO?xxxx933562171.3xxxxxx946561.3171.1 birchensis LO10815556.5169.6xxxx?554.5169xxxxx5439549167.3 paucidentata LOxxxxxxxx5438548167 microdon LO5437545166.1?xxxx536163.4?xxxxxxx944527.25160.7xxxxxxxxxxxxx?xxxx943527160.6xxx?xxxxxxx942526160.3xxxxxxxxx10770525 (‘88)160xxxxxx525160xxxxx?518.3158xxxxxxxxx517.67157.8 excavata gp.UO517157.6xxxxxxx517 (‘90)157.6xx5429513156.4xxx940/5430510 (‘90)willowensis LO rems- 155.4 cheidensis gp.LOxxx?x6056507154.5x?x10764(RP)503153.3xxxxxxxxx10761492.3 (‘01b)150.1xx?xxx10761492.3 (‘01a)150.1xxxx?xxxx10761492.3150.1xxxxx?xxxxx?xx10760491.8149.9xxxx10759491.3149.7xxxxx480146.3xx939/5428477145.4 transgrediens UO471143.6?x?xxx10755470.2143.3xx10754468142.6x?xxxxxx10752458.67139.8xxx?xxxxxxxxxx951457139.3xxxx?xxxxx?10750456.5139.1xxxxxxxxxx?xx?x456139xxxxx10750455.9139xxxxx10749453138.1xxxxxxxxx?x?xxxx?(RP)446.5136.1x10748443135xxxxxxxx10746430.5131.2xxxxxxxxxxxxxxxxxxx?xxxxxx430.5(7’08)131.2x?xxxx938427130.2 transgrediens LO10744424.9 (‘99)129.5xxxxxxxxx10744424.9129.5xxxxxxxxx?xx931(RP)402122.5xx?xxxxxx930395.01120.4xxx?xx930395120.4xxxxxxxx92831896.9xxxxxxxx7607278.2x