Table 1 in Polyclinum constellatum (Tunicata, Ascidiacea), an emerging non-indigenous species of the Mediterranean Sea: integrated taxonomy and the importance of reliable DNA barcode data Abstract

Table 1. Key to species belonging to the genus Polyclinum. In bold are reported the P. indicum, P. madrasensis and P. constellatum species. Dash indicates unavailable data.
123456SpeciesCP10--C, EP. reticulatum Sluiter, 1915BP1010A-P. circulatum Jensen, 1980EP12–1312–14-SP. fungosum Herdman, 1886CP11–1312-CP. lagena Monniot F. & Monniot C., 2006C, EP11–1514AC, EP. isipingense Sluiter, 1898EP1115PSP. arenosum (Sluiter, 1898)EP1513–15AC, EP. incrustatum Michaelsen, 1930E-14–1618–20P-P. corbis Kott, 2003CP10–16-ACP. aurantium Milne-Edwards, 1841BP12–1410-12ACP. maeandrium Sluiter, 1915BA1212–15ACP. molle Rocha & Costa, 2005CP14–1616ACP. nudum Kott, 1992EP12–1316–17PC, EP. marsupiale Kott, 1963CP12–1318–19--P. laxum Van Name, 1945E, BP11–1410–12ASP. tingens Monniot F., 2012EP1312-C, EP. tenuatum Kott, 1992EP11–1313–15P-P. ramosum Parker-Nance, 2003C, BP820-25PCP. pute Monniot C. & Monniot F., 1987BP11–1516AC, E, SP. neptunium Hartmeyer, 1912C, E-15–1818–20AC, E, SP. sluiteri Brewin 1956EP8–1018-SP. pedicellatum Monniot F., 2012C, BA13–1814--P. campi Fortaleza & Lotufo, 2018CP15–18-ASP. festum Hartmeyer, 1905CA16–1814–17--P. cerebrale Michaelsen, 1924EP1615PC, EP. terranum Kott, 1992CP8-1220AC, SP. saturnium Savigny, 1816C-1617AC, E, SP. michaelseni Brewin, 1956EP14–1618–20PC, EP. tsutsuii Tokioka, 1954EP12–1822ACP. psammiferum Hartmeyer, 1911CP18–1919–20-C, E, SP. novaezelandiae Brewin, 1958CP18–2022–24AS10 P. orbitum Kott, 1992C-13–1514–16--P. indicum Sebastian, 1954 (accepted as P. sebastiani Brunetti, 2007)-P14–157–8-C, EP. isiacum Savigny, 1816--1010–12-C, EP. tralaticia Sluiter, 1913--914–16--P. meridianum Sluiter, 1900-P1215--P. sibiricum Redikorzev, 1907CP1220–22PC, E, SP. sundaicum (Sluiter, 1909)AA8–9--SP. minutum Herdman 1886AP106–8--P. crater Sluiter, 1909AP11–148–6AC, EP. vasculosum Pizon, 1908AA12–1319A-P. glabrum Sluiter, 1895AP11–1220P-P. sacceum Monniot F. & Monniot C., 2006AP1313-CP. madrasensis (Sebastian, 1952)AP13–1713–14-C, E, SP. planum (Ritter & Forsyth, 1917)AP16–1816–18ACP. constellatum Savigny, 1816AP16–1723–25AC, EP. johnsoni Monniot C. & Monniot F., 1989-P17–18---P. hesperium Savigny, 1816
1 Presence of sand: C = coated, E = embedded, B = at the base, A = absent; 2 Systems of zooids: P = present, A= absent; 3 Number of rows of stigmata; 4 Number of stigmata per half-row; 5 Incubatory pouch: P = present, A = absent; 6 Shape of the colony: C = cushion, E = encrusting, S = stalked, pedunculated, lobed.