The monophyly of the Limnocorinae (Limnocoris lutzi) is characterized by three autapomorphies
: (8-3), (37-2), and (39-1).
of the genus are a robust bifurcate process situated at the middle lobe of the pronotum and ah extremely short labium; a potential synapomorphy with Centromus Bergroth, 1910 is a strongly protruding, bill-shaped ovipositor.
In addition, we propose a new subgenus for Natalina wesseliana which represents a distinct and basally divergent lineage within Natalina, and which exhibits several anatomical autapomorphies
that set it apart from the remaining species.
Osteology and myology of the cephalic region and pectoral girdle of Plotosus lineatus, with comments on Plotosidae (Teleostei: Siluriformes) autapomorphies
for the different taxa examined were actively searched for and included in the analysis.
Palp I II III IV Tarsi 2.65 2.42 2.60 2.61 3.38 Metatarsi -- 3.92 3.77 4.43 6.84 Tibiae 3.54 4.77 3.86 3.08 5.39 Patellae 3.24 4.47 3.86 3.40 3.81 Femora 5.18 6.45 5.73 5.26 6.89 Table 4.--Synapomorphies and autapomorphies
for the cladogram presented in Fig.
CI=1.0 denotes synapomorphies (endemic taxa: present in a monophyletic group of areas) or autapomorphies
(characteristic taxa: present in a single area).
were excluded from the analysis; 0 = plesiomorphic state; 1-4 = apomorphic states; ?
As shown in Figure 4A, the presence of a helical acrosome (#1) at the top of an elongated nucleus (more than 20 [micro]m long, #5), of mitochondria helically coiled around the main nuclear portion (#7), and of a complex anchoring apparatus (#10) are autapomorphies
for the siboglinid spermatozoon.